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RANDHAWA GLOBAL Lab Supplies

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RANDHAWA GLOBAL Buffer Powder with pH Value 7.0 for Chemistry Labs, ‎B44601
sku-leadTime Ships within 3 days
RANDHAWA GLOBAL Buffer Powder with pH Value 7.0 for Chemistry Labs, ‎B44601
By RANDHAWA GLOBAL
₹565   ₹599
You save ₹34!
5.68% OFF
RANDHAWA GLOBAL Buffer Powder with pH Value 7.0 for Chemistry Labs, ‎B44601 is a substance used in chemistry to maintain the pH (acidity or alkalinity) of a solution at a relatively constant and specific value. Buffers are essential in various chemical and biological processes, as they help stabilize the pH level, preventing rapid or extreme changes that can affect the outcome of reactions. Here's a detailed explanation of buffer powder in 300 words:
Composition and Function:
Buffer powders are typically composed of two main components: a weak acid and its corresponding conjugate base (or a weak base and its corresponding conjugate acid).
When dissolved in water, these components react with hydrogen ions (H+) or hydroxide ions (OH-) to maintain the pH within a specific range.
The weak acid can neutralize excess hydroxide ions, while the conjugate base can neutralize excess hydrogen ions, preventing the pH from becoming too acidic or too alkaline.
pH Regulation:
Buffer solutions are particularly important in chemical and biological experiments where maintaining a specific pH is critical.
Biological systems, such as the human body, rely on buffers to maintain stable pH levels within narrow ranges to support enzymatic reactions and cellular functions.
In laboratories, buffer powders are used to create buffer solutions with known pH values, which are then added to reactions to control the pH and ensure reliable results.
Applications:
Buffers are used in various scientific fields, including biochemistry, molecular biology, and analytical chemistry.
They are used in enzyme assays, DNA and RNA isolation, cell culture, and electrophoresis to maintain the required pH for optimal reaction conditions.
Buffers are also used in pharmaceuticals, cosmetics, and food industries to control the pH of products and ensure their stability and effectiveness.
Preparation and Use:
Buffer powders are typically supplied in a dry form and need to be dissolved in a known volume of distilled or deionized water to create a buffer solution of a desired concentration.
The pH of the resulting buffer solution depends on the pKa of the weak acid-base pair and the ratio of the acid to the conjugate base.
Careful preparation is essential to ensure the accuracy and effectiveness of the buffer solution.
In summary, buffer powder is a chemical reagent used to prepare buffer solutions that help maintain a specific and stable pH in various chemical and biological processes. Buffers are crucial in scientific research, laboratory work, and industrial applications to ensure the reliability and consistency of experiments and products.
RANDHAWA GLOBAL Aluminium Test Tube Rack 15 mm Dia with 24 Holes, RG- 77095
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RANDHAWA GLOBAL Aluminium Test Tube Rack Dia with 24 Holes
By RANDHAWA GLOBAL
₹447 - ₹553
You save ₹452!
50.28% OFF
The RANDHAWA GLOBAL Aluminum Test Tube Rack with 24 Holes is a versatile and durable laboratory accessory designed to hold test tubes securely in place during experiments, sample storage, or analysis. Crafted from high-quality aluminum, this test tube rack offers stability and resistance to corrosion, making it suitable for use in various scientific and research environments. With its 24 holes, the test tube rack provides ample space for organizing and arranging test tubes of different sizes. The holes are precisely sized to accommodate standard test tubes, ensuring a snug fit that prevents tubes from tipping over or sliding out of place. The aluminum construction of the test tube rack offers durability and longevity, making it suitable for repeated use in laboratory settings. Its lightweight design and compact size allow for easy transportation and storage when not in use, maximizing convenience and efficiency in laboratory workflows. Whether used in academic laboratories, research facilities, or industrial settings, the RANDHAWA GLOBAL Aluminum Test Tube Rack with 24 Holes provides a reliable solution for organizing and securing test tubes during scientific experiments and analyses. Its sturdy construction, ample capacity, and ease of use make it an essential accessory for scientists, researchers, and students alike.
green checkType of Product : Test Tube Rack
green checkMaterial : Aluminium
green checkShape : Rectangular
green checkNo. of Holes : 24
green checkColor : Silver
green checkChemical Resistant : Yes
green checkApplication Area : School and College Laboratories
RANDHAWA GLOBAL Lactometer for Checking Milk Purity with in a Minute, RG- 10032
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RANDHAWA GLOBAL Lactometer for Checking Milk Purity with in a Minute, RG- 10032
By RANDHAWA GLOBAL
₹306   ₹399
You save ₹93!
23.31% OFF
RANDHAWA GLOBAL Lactometer for Checking Milk Purity with in a Minute, RG- 10032 is a specialized instrument used to measure the specific gravity or density of milk. It is particularly valuable in the dairy industry for assessing the quality and composition of milk.Key features and functions of a lactometer:Specific Gravity Measurement: A lactometer measures the specific gravity of milk, which is a measure of its density compared to the density of water. This measurement provides valuable information about the milk's composition, fat content, and overall quality.Floatation Principle: The lactometer operates on the principle of floatation. It consists of a weighted glass bulb with a narrow stem. When placed in a sample of milk, the lactometer floats at a certain level determined by the milk's density. The higher it floats, the lower the milk's density, indicating lower fat content or dilution.Calibrated Scale: The lactometer stem is calibrated with a scale that provides specific gravity readings. The scale is usually graduated from 15 to 40, with corresponding specific gravity values. The scale allows dairy professionals to assess the milk's quality quickly.Fat Content Estimation: By measuring the specific gravity of milk using a lactometer and comparing it to a standard chart, one can estimate the fat content and potential adulteration or dilution of the milk sample.Quality Control: Lactometers are essential tools for dairy farmers, milk processors, and regulatory agencies to monitor and ensure the quality and purity of milk products.Using a Lactometer:To use a lactometer, follow these general steps:Fill a clear, cylindrical container (a lactometer jar) with a sample of milk.Gently lower the lactometer into the milk sample, allowing it to float freely.Observe the level at which the lactometer floats. The specific gravity value is read from the scale at the milk's surface.Compare the measured specific gravity value to a standard chart or table to determine the milk's quality and fat content.Lactometers are valuable tools for assessing milk quality, ensuring product consistency, and detecting any potential adulteration or dilution of milk. They play a crucial role in the dairy industry, where accurate and rapid quality control is essential for producing safe and high-quality dairy products, including milk, cheese, yogurt, and butter.
RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031
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RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031
By RANDHAWA GLOBAL
₹3,067   ₹4,899
You save ₹1,832!
37.4% OFF
RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031 is a mechanical device used in herbalism and pharmaceutical industries for extracting liquids, particularly tinctures, from botanical materials such as herbs, roots, or fruits. This press is designed to exert substantial force on the plant material to extract its liquid components efficiently.
Key features and functions of a heavy-duty tincture press:
Robust Construction: Heavy-duty tincture presses are built with strong and durable materials, often using heavy-duty steel or cast iron components. This robust construction allows them to withstand the high pressure exerted during the extraction process.
Screw Mechanism: The core of the press typically includes a threaded screw mechanism. As the screw is turned, it exerts pressure on the plant material placed in a pressing chamber, squeezing out the liquid contents.
Pressure Gauge: Some tincture presses may have a pressure gauge or scale to help monitor and control the force applied during the extraction process. This ensures consistent and efficient extraction.
Filter Bags: Plant material is usually placed inside filter bags or pressing cloths before being inserted into the pressing chamber. These bags contain the material and allow the liquid to flow out while retaining solid residues.
Collection Tray: The extracted liquid drips into a collection tray or container positioned below the pressing chamber, facilitating easy collection and transfer of the tincture.
Manual Operation: Heavy-duty tincture presses are manually operated, requiring an operator to turn the screw handle or lever to apply pressure gradually. This manual control ensures the extraction process can be tailored to the specific requirements of the material being processed.
Applications and uses of heavy-duty tincture presses:
Tincture Production: The primary application is the production of herbal tinctures, which are concentrated liquid extracts of herbs or botanicals. These tinctures are commonly used in herbal medicine and are valued for their high concentration of active compounds.
Pharmaceuticals: Tincture presses are also used in the pharmaceutical industry for extracting active pharmaceutical ingredients (APIs) from plant-based sources for the production of medicines and pharmaceutical formulations.
Food and Beverage: Some food and beverage manufacturers use tincture presses to extract flavors, essences, or oils from natural ingredients for use in products like extracts, liqueurs, and flavorings.
Cosmetics: In cosmetics and skincare industries, tincture presses can be employed to extract natural oils and botanical extracts for use in skincare and cosmetic formulations.
Research and Development: Laboratories and research facilities may use tincture presses for experimental purposes, investigating the properties and constituents of various botanical materials.
Heavy-duty tincture presses are valuable tools for efficiently extracting liquid extracts from botanical sources, allowing for the preservation of valuable compounds for a wide range of applications in herbalism, pharmaceuticals, and beyond. Their manual operation and robust construction make them reliable and versatile instruments in industries and laboratories where precision extraction is essential.
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RANDHAWA GLOBAL Borosilicate Glass Butyrometer for Testing Fat in Milk, RG-3374 (Pack of 10 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass Butyrometer for Testing Fat in Milk, RG-3374 (Pack of 10 Pcs)
By RANDHAWA GLOBAL
Pack of 10 piece
₹1,533  
RANDHAWA GLOBAL Borosilicate Glass Butyrometer for Testing Fat in Milk, RG-3374 (Pack of 10 Pcs) is a specialized laboratory instrument used to determine the fat content in various liquid samples, particularly in dairy products like milk and cream. It is an essential tool in the dairy industry and plays a crucial role in quality control and product standardization. Here's a detailed explanation of a butyrometer:
Construction and Design:
A butyrometer consists of a long, graduated glass tube with a bulb-shaped reservoir at the bottom.
The tube is typically marked with precise graduations in milliliters (mL), allowing for accurate measurement of the volume of liquid being tested.
Inside the tube, there is a graduated capillary, often calibrated in percentage fat content.
The reservoir at the bottom contains a specialized reagent mixture, such as sulfuric acid or hydrochloric acid, which is used to digest and separate the fat from the liquid sample.
Working Principle:
A known volume of the liquid sample (usually around 10 mL) is introduced into the butyrometer.
A small amount of a fat-soluble dye, such as Sudan III or Sudan IV, may be added to the sample to aid in the visualization of the fat layer.
The butyrometer is then carefully sealed with a stopper to ensure that no gas can escape during the subsequent digestion process.
The butyrometer is placed in a water bath or incubator, where it is heated to a specific temperature (usually around 60-70°C) for a specific duration (typically 30-60 minutes). During this time, the acid reagent digests the fat in the sample, separating it from the other components.
After digestion, the butyrometer is allowed to cool to room temperature.
The fat content is determined by measuring the height of the fat layer in the graduated capillary, which is proportional to the fat content of the sample.
Applications:
Butyrometers are primarily used in the dairy industry to determine the fat content in milk and cream. Accurate fat content measurement is crucial for quality control, product standardization, and labeling compliance.
They are also employed in research laboratories for various applications, including the analysis of other lipid-containing samples, such as oils and emulsions.
Butyrometers are instrumental in ensuring that dairy products meet regulatory requirements and consumer expectations regarding fat content.
In summary, a butyrometer is a specialized laboratory instrument used for the precise determination of fat content in liquid samples, especially in dairy products. Its design and working principle allow for accurate and reliable measurements, making it an essential tool in quality control and product development within the dairy industry.
RANDHAWA GLOBAL Polystyrene Specimen Jar 3x7 inch, RG-51103 (Pack of 6 Pcs)
sku-leadTime Ships within 3 days
RANDHAWA GLOBAL 3x7 Inch Polystyrene Specimen Jar, RG-51103
By RANDHAWA GLOBAL
Pack of 6 piece
₹365 - ₹1,297
The RANDHAWA GLOBAL Polystyrene Specimen Jar RG-51103 is a versatile container designed for storing and preserving specimens in laboratory and medical settings. With dimensions of 3x7 inches, this specimen jar provides ample space for storing various types of specimens, such as tissues, samples, or small organisms. Crafted from durable polystyrene material, this specimen jar offers strength and durability, ensuring the safe containment of specimens. The polystyrene construction also provides excellent clarity, allowing for easy observation and identification of specimens stored within the jar. The RANDHAWA GLOBAL Polystyrene Specimen Jar RG-51103 is commonly used in biology laboratories, medical facilities, and educational institutions for specimen storage, organization, and display. Its compact size and sturdy construction make it a convenient and practical solution for laboratory specimen management. Overall, the RANDHAWA GLOBAL Polystyrene Specimen Jar RG-51103 offers reliability, durability, and clarity, making it an essential tool for scientists, researchers, and laboratory technicians involved in specimen handling and storage.
green checkType of Product : Specimen Jar
green checkModel No : RG-51103
green checkHeight : 7 inch
green checkColor : Transparent
green checkMaterial : Polystyrene
green checkDiameter : 3 inch
green checkWeight : 90 g
green checkApplication Area : Laboratories
RANDHAWA GLOBAL Battery Hydrometer Tester for Checking Specific Gravity, ‎AMATEA060672
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RANDHAWA GLOBAL Battery Hydrometer Tester for Checking Specific Gravity, ‎AMATEA060672
By RANDHAWA GLOBAL
₹612   ₹999
You save ₹387!
38.74% OFF
RANDHAWA GLOBAL Battery Hydrometer Tester for Checking Specific Gravity, ‎AMATEA060672 is a device used to measure the specific gravity of the electrolyte in a lead-acid battery. It is a critical tool for assessing the state of charge and overall health of automotive, marine, and industrial batteries. Here's a detailed explanation of a battery hydrometer tester in 300 words:
Design and Components:
A battery hydrometer tester typically consists of a transparent tube with a graduated scale and a rubber bulb or squeeze bulb at one end.
Inside the tube, there is a float or indicator that measures the specific gravity of the battery's electrolyte.
The graduated scale is marked with specific gravity values, typically ranging from 1.100 to 1.300 or higher, representing the density of the electrolyte.
Principle of Operation:
The operation of a battery hydrometer tester is based on the principle that the specific gravity of the electrolyte changes with the state of charge of the battery.
When a battery is fully charged, the specific gravity of the electrolyte is higher, and as it discharges, the specific gravity decreases.
The float or indicator in the hydrometer rises or falls in the electrolyte based on its density, and the scale provides a direct reading of the specific gravity.
Battery Health Assessment:
By measuring the specific gravity of each cell in a lead-acid battery, a battery hydrometer tester can help assess the overall health of the battery.
If all cells have consistent and high specific gravity readings, it indicates a fully charged and healthy battery.
Variations in specific gravity between cells can point to issues such as cell imbalance, sulfation, or electrolyte stratification, which may require maintenance or replacement of the battery.
Applications:
Battery hydrometer testers are commonly used in automotive maintenance to check the condition of car batteries and determine if they need charging or replacement.
They are also used in marine applications to assess the state of charge of boat batteries and ensure their reliability.
In industrial settings, battery hydrometer testers are used for maintaining backup power systems, forklift batteries, and other lead-acid batteries.
Safety Precautions:
When using a battery hydrometer tester, it's essential to wear safety goggles and gloves as the electrolyte is acidic and can be harmful if it comes into contact with skin or eyes.
Proper care and handling of the tester and the battery are crucial to ensure safety and accurate readings.
In summary, a battery hydrometer tester is a valuable tool for assessing the state of charge and overall condition of lead-acid batteries, making it indispensable in automotive, marine, and industrial settings where reliable battery performance is essential.
RANDHAWA GLOBAL Variable Sliding Rheostat 1000 and 304.8 mm (12 Inch) Lerngth, RG-47062
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RANDHAWA GLOBAL Variable Sliding Rheostat 1000 and 304.8 mm (12 Inch) Lerngth, RG-47062
By RANDHAWA GLOBAL
₹2,123   ₹2,999
You save ₹876!
29.21% OFF
RANDHAWA GLOBAL Variable Sliding Rheostat 1000 Ω and 12 inch Lerngth, RG-47062 is a type of electrical resistor with a sliding contact that allows for the precise adjustment of electrical resistance within a circuit. Rheostats are used to control the flow of electric current in a circuit, making them valuable tools in electronics, electrical engineering, and physics experiments.
Key features and functions of a variable sliding rheostat:
Resistance Element: The core component of a rheostat is a resistive wire or strip, typically made of materials like nichrome, which has a high resistance to electrical current. This wire is wound around an insulating core, and its length determines the maximum resistance of the rheostat.
Sliding Contact: A sliding contact or wiper, usually in the form of a metal or carbon-coated slider, is connected to a knob or lever that the user can move along the resistive element. By adjusting the position of the slider, the user can change the length of wire in the circuit, thereby altering the overall resistance.
Variable Resistance: As the slider is moved along the resistive element, it makes contact with different portions of the wire, effectively increasing or decreasing the resistance in the circuit. This variability allows for precise control of the current flowing through the circuit.
Mechanical Construction: Variable sliding rheostats are often constructed with a housing that encloses the resistive wire, protecting it from physical damage and contamination. The knob or lever connected to the slider is easily accessible for users to adjust the resistance.
Applications of variable sliding rheostats:
Light Dimming: Rheostats are commonly used in lighting systems to adjust the brightness of incandescent or halogen lamps. By varying the resistance in the circuit, users can control the amount of current supplied to the lamp.
Heating Control: Rheostats are used in applications where precise temperature control is required, such as in electric stoves and heating elements. By adjusting the resistance, the level of heating can be regulated.
Voltage Control: In electronic circuits and experiments, rheostats are used to control the voltage applied to specific components or devices. This is important for adjusting the performance of electronic systems.
Scientific Experiments: Rheostats are valuable tools in physics and electrical engineering experiments for studying the behavior of circuits, resistance, and current flow. They provide a means to control and vary parameters in experiments.
Motor Speed Control: In some applications, rheostats can be used to control the speed of electric motors by adjusting the voltage and current supplied to them.
Educational Demonstrations: Rheostats are used in educational settings to teach students about electrical resistance, Ohm's law, and circuit control.
Overall, variable sliding rheostats are versatile devices that enable precise control of electrical resistance, making them essential components in various applications where regulation of current, voltage, or heat is necessary.
RANDHAWA GLOBAL Milk Adulteration Test Kit for Laboratories, NCE-21
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RANDHAWA GLOBAL Milk Adulteration Test Kit for Laboratories, NCE-21
By RANDHAWA GLOBAL
₹4,955  
RANDHAWA GLOBAL Milk Adulteration Test Kit for Laboratories, NCE-21 is a diagnostic tool used to detect and quantify adulterants or contaminants in milk. Adulteration of milk refers to the practice of adding substances like water, urea, detergents, or other harmful compounds to milk, thereby compromising its quality, safety, and nutritional value. These test kits are essential for ensuring the purity and safety of milk products for human consumption.
Key features and components of a milk adulteration test kit include:
Test Reagents: These kits contain specific chemical reagents or indicators that react with adulterants commonly found in milk. For example, a reagent may change color or form a precipitate in the presence of water or detergents.
Test Strips or Tubes: The test reagents are typically provided in the form of test strips, tubes, or vials. These containers are designed for ease of use, allowing users to add milk samples and reagents, and then observe the reactions.
Instructions: Milk adulteration test kits come with clear and detailed instructions on how to perform the tests. These instructions guide users through the process, including sample preparation, reagent addition, and interpretation of results.
Reference Standards: Some kits may include reference standards or calibration materials to ensure the accuracy of the test results. These standards help users verify the performance of the kit and calibrate the measurements.
Detection Limits: Test kits have defined detection limits for various adulterants, indicating the minimum concentration of an adulterant that can be reliably detected. This information is crucial for assessing the severity of adulteration.
Results Interpretation: Depending on the type of kit, results are interpreted visually through color changes, turbidity, or other observable changes. The kit instructions typically provide a color chart or guidelines for result interpretation.
Multiple Adulterant Detection: Some kits are designed to detect multiple adulterants simultaneously, providing a comprehensive assessment of milk quality.
Common adulterants detected by milk adulteration test kits include:
Water: Dilution of milk with water to increase volume.
Detergents: Addition of cleaning agents to mask microbial contamination or improve the appearance of milk.
Urea: Used to artificially increase the protein content of milk.
Starch: Added to mimic the consistency of milk.
Formalin: A toxic chemical used to preserve milk and extend its shelf life.
Milk adulteration is a significant concern, as it poses health risks and compromises the nutritional value of milk. These test kits play a vital role in quality control, regulatory compliance, and consumer protection in the dairy industry. By ensuring the authenticity and safety of milk and milk products, these kits help maintain the integrity of the dairy supply chain and protect consumer health.
RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle 500 ml with Screw Cap, RG-44037
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RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037
By RANDHAWA GLOBAL
₹400 - ₹1,297
You save ₹426!
28.42% OFF
The RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037 is a high-quality laboratory vessel designed for the storage and dispensing of various reagents, chemicals, and solutions. Crafted from durable borosilicate glass, this reagent bottle offers excellent chemical resistance and thermal stability, making it suitable for a wide range of laboratory applications. The bottle is equipped with a screw cap, providing a secure seal to prevent leakage and evaporation of the contents. The screw cap ensures a tight closure, preserving the integrity of the stored reagents and preventing contamination. With its transparent glass construction, the reagent bottle allows for easy visualization of the contents, facilitating quick identification and monitoring of reagent levels. The wide mouth design of the bottle enables convenient filling, pouring, and dispensing of liquids, enhancing workflow efficiency in the laboratory. Whether used in academic research laboratories, industrial settings, or pharmaceutical facilities, the RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037 offers a reliable solution for the storage and handling of reagents and chemicals. Its durable construction, secure screw cap, and transparent design make it an essential tool for scientists, researchers, and laboratory technicians conducting experiments and processes requiring precise reagent handling.
green checkType of Product : Reagent Bottle
green checkColor : Transparent
green checkModel No : RG-44037
green checkMaterial : Borosilicate Glass 3.3
green checkIncluded Components : Screw Cap
green checkCap Color : Blue
RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG-93301 (Pack of 2 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG-93301
By RANDHAWA GLOBAL
Pack of 2 piece
₹825 - ₹4,011
You save ₹3,068!
76.72% OFF
The RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer RG-93301 is a precision instrument used for measuring the viscosity of fluids. Constructed from high-quality borosilicate glass, this viscometer is designed to provide accurate and reliable measurements in laboratory settings. The Ostwald viscometer operates on the principle of measuring the time it takes for a fixed volume of fluid to flow through a narrow capillary tube under the force of gravity. By observing the flow time and knowing the dimensions of the viscometer, the viscosity of the fluid can be determined using established formulas. With its borosilicate glass construction, this viscometer offers excellent transparency, allowing for easy observation of fluid flow. The high-quality glass material also ensures resistance to chemical corrosion and thermal shock, making the viscometer suitable for use with a wide range of fluids and under various temperature conditions. The RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer RG-93301 is commonly used in research laboratories, industrial facilities, and educational institutions for viscosity measurements in fluids such as oils, polymers, and solutions. Its precision design and reliable performance make it an essential tool for scientists, engineers, and researchers involved in fluid dynamics and rheological studies.
green checkType of Product : Ostwald Viscometer
green checkModel No : RG-93301
green checkMaterial : Borosilicate Glass 3.3
green checkColor : Transparent
green checkUsage For : Scientific Experiments
green checkApplication Area : School and College Labs
green checkPattern Type : College Pattern
RANDHAWA GLOBAL Ohm's Law Apparatus Kit Model with Built In Power Supply and Rheostat, RG-94431
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RANDHAWA GLOBAL Ohm's Law Apparatus Kit Model with Built In Power Supply and Rheostat, RG-94431
By RANDHAWA GLOBAL
₹2,477   ₹2,999
You save ₹522!
17.41% OFF
RANDHAWA GLOBAL Ohm's Law Apparatus Kit Model with Built In Power Supply and Rheostat, RG-94431 is an educational and experimental tool used to demonstrate and understand Ohm's Law, a fundamental principle in electronics and electrical engineering. Ohm's Law relates the voltage (V), current (I), and resistance (R) in an electrical circuit and is expressed by the equation V = I × R.
The kit typically consists of various components and instruments designed to perform experiments and verify Ohm's Law. Here are the key components and their functions:
Variable Power Supply: This is the source of electrical voltage (V) in the circuit. The power supply allows you to adjust and control the voltage applied to the circuit, which is essential for conducting experiments at different voltage levels.
Ammeter: The ammeter is used to measure electric current (I) in the circuit. It is connected in series with the components under study and provides readings in units like amperes (A) or milliamperes (mA).
Voltmeter: The voltmeter is used to measure voltage (V) across specific components or parts of the circuit. It is connected in parallel with the component of interest and provides voltage readings in volts (V).
Variable Resistor (Rheostat or Potentiometer): This component allows you to vary the resistance (R) in the circuit. By adjusting the resistance, you can observe how changes in resistance affect current and voltage in accordance with Ohm's Law.
Circuit Components: The kit includes various resistors, wires, and connectors to build and modify electrical circuits. These components are essential for constructing different circuit configurations to test Ohm's Law.
Using the Ohm's Law Apparatus Kit Model, students and learners can perform the following experiments and demonstrations:
Verification of Ohm's Law: By adjusting the voltage, measuring the current, and calculating resistance (V = I × R), users can verify that the relationship between voltage, current, and resistance follows Ohm's Law.
Resistance Measurement: Users can measure the resistance of unknown resistors using the kit and compare the results to their actual resistance values.
Series and Parallel Circuits: The kit can be used to build and analyze series and parallel circuits to understand how different configurations affect voltage, current, and resistance.
Graphical Representation: Students can plot voltage-current (V-I) graphs to visualize the linear relationship predicted by Ohm's Law.
Overall, the Ohm's Law Apparatus Kit Model is an essential educational tool for teaching and learning about Ohm's Law and fundamental electrical concepts. It provides a hands-on experience that helps students grasp the principles of voltage, current, and resistance in electrical circuits and their interplay as described by Ohm's Law.
RANDHAWA GLOBAL Glass Reagent Bottle 250 ml with Stopper, ‎RG- 500437 (Pack of 2 Pcs)
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RANDHAWA GLOBAL Glass Reagent Bottle 250 ml with Stopper, ‎RG- 500437 (Pack of 2 Pcs)
By RANDHAWA GLOBAL
Pack of 2 piece
₹660   ₹899
You save ₹239!
26.58% OFF
RANDHAWA GLOBAL Glass Reagent Bottle 250 ml with Stopper, ‎RG- 500437 (Pack of 2 Pcs) is a specialized laboratory container used for storing and dispensing chemicals, reagents, solvents, and other liquids used in scientific experiments, research, and chemical analysis. Reagent bottles are designed to meet specific requirements for the safe storage and handling of laboratory substances. Here's a detailed explanation of reagent bottles in 300 words:
Design and Characteristics:
Reagent bottles are typically made of glass or plastic, with glass being the preferred material for many chemicals due to its chemical resistance and durability.
Glass reagent bottles often have narrow necks and ground glass stoppers or screw caps that provide an airtight seal, preventing the escape of volatile or hazardous substances and minimizing contamination.
Plastic reagent bottles may have a variety of cap designs, including screw caps, snap caps, or dispensing closures with dropper tips.
Sizes and Capacity:
Reagent bottles come in various sizes, ranging from small volumes, such as 30 milliliters (mL) or 60 mL, to larger capacities, like 1 liter (L) or more.
The choice of bottle size depends on the specific needs of the laboratory, the quantity of reagents used, and storage requirements.
Labeling and Identification:
Proper labeling of reagent bottles is crucial to ensure accurate identification of contents and safety.
Labels should include information about the reagent's name, concentration, date of preparation, and any hazardous properties.
Types of Reagent Bottles:
Amber Reagent Bottles: These are made of amber-tinted glass and are used to protect light-sensitive substances from photodegradation.
Wide-Mouth Reagent Bottles: These have a larger opening for easy pouring and transfer of reagents.
Dropper Bottles: These have a built-in dropper tip for precise and controlled dispensing of small volumes of liquids.
Safety Coated Bottles: These glass bottles are coated with a protective plastic layer to minimize the risk of glass shattering in case of breakage.
Applications:
Reagent bottles are used in various scientific disciplines, including chemistry, biology, microbiology, and environmental science.
They are employed to store and dispense a wide range of reagents, including acids, bases, solvents, buffers, indicators, and more.
Reagent bottles are essential for accurate and safe chemical analysis, titration, and experimental procedures in laboratories.
Safety Precautions:
When handling reagent bottles, safety precautions, such as wearing appropriate personal protective equipment (PPE) and working in a well-ventilated area, should be observed.
Compatibility between the bottle material and the stored reagent should be considered to prevent chemical reactions or leaching.
In summary, reagent bottles are vital tools in laboratory settings, providing safe and efficient storage and dispensing of chemicals and reagents used in scientific research and analysis. Their design, material, and capacity are chosen based on the specific needs of the laboratory and the properties of the stored substances.
RANDHAWA GLOBAL Stainless Steel Tuning Fork with Tested Frequency, RG-9982 (Pack of 8 Pcs)
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RANDHAWA GLOBAL Stainless Steel Tuning Fork with Tested Frequency, RG-9982 (Pack of 8 Pcs)
By RANDHAWA GLOBAL
Pack of 8 piece
₹931   ₹1,099
You save ₹168!
15.29% OFF
RANDHAWA GLOBAL Stainless Steel Tuning Fork with Tested Frequency, RG-9982 (Pack of 8 Pcs) is a simple, fork-shaped metal device used to produce a specific musical note or sound of a known frequency when struck. It is a fundamental tool in acoustics, music, and various scientific applications due to its ability to produce a pure and consistent tone.
Key features and functions of a tuning fork:
Fork Shape: A tuning fork consists of a U-shaped metal bar with two prongs that are of equal length and thickness. The prongs are typically made of steel, aluminum, or other metals that can resonate when struck.
Frequency: Each tuning fork is precisely manufactured to vibrate at a specific frequency, which is usually indicated on the fork. Common frequencies range from a few hertz (Hz) to several thousand hertz, with A440 (440 Hz) being a standard reference frequency used in music tuning.
Sound Generation: To produce sound, you strike one of the prongs against a firm surface, causing it to vibrate back and forth. This vibration generates sound waves in the surrounding air, producing a distinct musical note with a well-defined frequency.
Pure Tone: Tuning forks are known for producing a nearly pure and sinusoidal tone, devoid of harmonics or overtones. This purity makes them valuable for precise frequency reference and pitch assessment.
Applications of tuning forks:
Musical Instrument Tuning: Tuning forks are used as reference tools for tuning musical instruments like pianos, guitars, violins, and other string instruments. Musicians compare the pitch of their instrument's strings to the known frequency of the tuning fork to achieve accurate tuning.
Pitch Reference: In music education and practice, tuning forks serve as pitch references during vocal training and ear training exercises, helping students develop their musical ear and intonation skills.
Vibration and Resonance Studies: In physics and engineering, tuning forks are used to investigate vibration, resonance, and frequency-related phenomena. They are employed in experiments to demonstrate resonance, study wave behavior, and measure the speed of sound in various materials.
Medical Assessment: Tuning forks are used in medical examinations, particularly in neurology, to assess a patient's hearing and vibratory sensation. They are essential tools for performing hearing tests, such as the Rinne and Weber tests.
Quality Control: In manufacturing and quality control processes, tuning forks can be used to calibrate and assess the performance of measuring instruments, such as accelerometers and vibration sensors.
Scientific Research: Tuning forks are utilized in scientific research for their precision in generating known frequencies, making them valuable in studies related to acoustics, wave propagation, and resonance.
Tuning forks remain indispensable tools in various fields due to their reliability in producing precise and consistent frequencies. Their pure, harmonic-free tones are fundamental for music tuning, scientific experimentation, medical assessments, and more.
RANDHAWA GLOBAL Glass Dropper 20 cm Length with Powerful Rubber Sucker, RG-7205 (Pack of 6 Pcs)
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RANDHAWA GLOBAL Glass Dropper 20 cm Length with Powerful Rubber Sucker, RG-7205 (Pack of 6 Pcs)
By RANDHAWA GLOBAL
Pack of 6 piece
₹388   ₹499
You save ₹111!
22.24% OFF
RANDHAWA GLOBAL Glass Dropper 20 cm Length with Powerful Rubber Sucker, RG-7205 (Pack of 6 Pcs) is a simple laboratory tool used for transferring small and precise volumes of liquids. It consists of a tube or a narrow cylinder with a tapered or pointed tip at one end and a squeezable bulb or piston at the other end. Droppers are commonly made of glass or plastic, and they come in various sizes to accommodate different volume requirements.
Key features and components of a dropper:
Tube or Cylinder: The main body of the dropper is a tube or cylinder that holds the liquid to be transferred. This tube is typically marked with volume graduations, allowing for accurate measurement of the liquid being dispensed.
Tip: The tip of the dropper is tapered or pointed to facilitate controlled and precise delivery of the liquid. It can come in various shapes and sizes depending on the specific application.
Bulb or Piston: At the opposite end of the tube, there is a squeezable bulb or piston. When the bulb is compressed or the piston is pushed, it creates a partial vacuum inside the tube, which draws the liquid up into the dropper.
Rubber or Plastic Components: The bulb and any seals or gaskets are typically made of rubber or plastic materials that are chemically resistant and airtight to prevent leakage.
Droppers are widely used in various laboratory, medical, and industrial applications, including:
Chemical and Biological Experiments: Droppers are used to transfer precise volumes of reagents, solutions, or biological samples in laboratory experiments, such as titrations, qualitative analysis, and DNA analysis.
Medicine and Healthcare: In medicine, droppers are used for administering liquid medications, especially for infants and young children. They allow for accurate dosing and ease of use.
Sample Handling: In analytical chemistry and microbiology, droppers are used to handle small liquid samples, such as for preparing microscope slides or conducting microbial tests.
Industrial Processes: Droppers find applications in various industries, including the food and beverage industry, where they are used for flavoring and quality control, as well as in the cosmetic industry for precise dispensing of skincare and beauty products.
Art and Craft: Artists and hobbyists use droppers for fine detailing and adding small amounts of paint or dye to their work.
Education: Droppers are commonly used in educational settings to demonstrate concepts like measurement, capillary action, and fluid dynamics.
The use of droppers allows for controlled and accurate liquid handling, reducing the risk of spillage, contamination, and imprecise measurements. They are essential tools in laboratories and various other fields where precision in liquid transfer is crucial.
RANDHAWA GLOBAL Staining Coplin Jar and Glass Slide, ‎RG-22001 (Pack of 8 Pcs)
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RANDHAWA GLOBAL Staining Coplin Jar and Glass Slide, ‎RG-22001 (Pack of 8 Pcs)
By RANDHAWA GLOBAL
Pack of 8 piece
₹648   ₹709
You save ₹61!
8.6% OFF
RANDHAWA GLOBAL Staining Coplin Jar and Glass Slide, ‎RG-22001 (Pack of 8 Pcs) is a small, rectangular or cylindrical container, typically made of glass or plastic, with a tight-fitting lid or cover.
It is used to hold and immerse biological specimens, such as tissue sections or cells, in staining solutions to impart color and enhance contrast for microscopic examination.
The Coplin jar allows multiple slides to be stained simultaneously, making it a time-efficient tool in histological and cytological preparations.
The lid prevents evaporation of the staining solution and minimizes exposure to fumes or hazardous chemicals.
To use a staining Coplin jar, specimens are placed on glass slides and arranged vertically within the jar. The jar is then filled with the staining solution, which can be a dye or stain specific to the intended observation.
After a specified staining duration, the slides are removed, rinsed with distilled water, and then typically counterstained or dehydrated before being covered with a glass cover slip for microscopy.
Glass Slide:
A glass slide, also known as a microscope slide, is a small, thin, rectangular piece of glass typically measuring about 1 inch by 3 inches (25.4 mm by 76.2 mm).
It serves as the platform for mounting and viewing specimens under a microscope.
Glass slides are designed to be optically clear, allowing light to pass through the specimen for microscopic examination.
One side of the slide is flat and smooth, providing a stable surface for specimen placement, while the other side is often slightly frosted or marked for labeling and identification.
Specimens are typically affixed to the slide using mounting media, such as water, glycerin, or a specialized mounting medium, to ensure the specimen remains in place during microscopic observation.
Cover slips, also made of glass, are often placed over the specimen to protect it and provide a flat, uniform surface for the microscope objective to focus on.
Glass slides are commonly used in histology, cytology, microbiology, and various other fields of microscopy for the preparation and examination of specimens, such as tissue sections, blood smears, and microorganisms.
In summary, a staining Coplin jar is a container used for staining biological specimens, while a glass slide is the platform for mounting and viewing these specimens under a microscope. Together, they are integral tools in histological and microscopic studies, enabling the preparation and examination of samples for research, diagnosis, and education in the biological sciences.
RANDHAWA GLOBAL Polystyrene Atomic Model Set with 185 Lugs and 370 Balls, RG-34409
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RANDHAWA GLOBAL Polystyrene Atomic Model Set with 185 Lugs and 370 Balls, RG-34409
By RANDHAWA GLOBAL
₹4,719  
RANDHAWA GLOBAL Polystyrene Atomic Model Set with 185 Lugs and 370 Balls, RG-34409 is a teaching and learning tool used in chemistry and physics education to visualize and understand the structure of atoms and molecules. It consists of a collection of three-dimensional (3D) model components that represent atoms, ions, and chemical bonds. These sets allow students and educators to build physical models of chemical compounds, helping to grasp molecular geometries and the spatial arrangement of atoms within molecules.
Key features and components of an atomic model set:
Atom Models: The set includes small, spherical models that represent individual atoms. These models are typically color-coded to differentiate between different elements.
Bonding Connections: The kit contains connectors or rods that represent chemical bonds. These connectors allow users to attach and link atom models to form molecules.
Lone Pair Electrons: Some atomic model sets include small, detachable spheres or balls to represent lone pair electrons that are not involved in chemical bonding but play a crucial role in molecular geometry.
Geometry Tools: The sets may also include tools like plastic angles and templates to help users understand and visualize the spatial arrangement and bond angles in molecules.
Instruction Manual: Many atomic model sets come with an instruction manual or guide that provides information on how to use the kit, build specific molecules, and understand molecular structures.
Applications of atomic model sets:
Chemistry Education: Atomic model sets are commonly used in chemistry classrooms and laboratories to teach students about atomic and molecular structures, chemical bonding, and molecular geometry. They help students visualize complex molecules and understand their 3D arrangements.
Molecular Modeling: In research and industry, atomic model sets can be used for molecular modeling and drug design. Chemists and researchers use these sets to build and study molecular structures before conducting experiments or simulations.
Organic Chemistry: Organic chemistry students use atomic model sets to build and analyze complex organic molecules, which often have intricate spatial arrangements and functional group interactions.
Inorganic Chemistry: Atomic model sets are also valuable for studying inorganic compounds, coordination complexes, and transition metal complexes where the spatial arrangement of atoms is critical to understanding their properties.
Biochemistry: Students and researchers in biochemistry use atomic model sets to visualize the structures of biomolecules like proteins, nucleic acids, and carbohydrates, which are essential for understanding their functions.
Educational Demonstrations: Atomic model sets are helpful in educational demonstrations and outreach activities to engage students and the public in learning about chemistry and molecular science.
In summary, atomic model sets are indispensable tools for teaching, learning, and visualizing molecular structures in the fields of chemistry, physics, and biology. They provide a tangible and hands-on approach to understanding the arrangement of atoms in molecules and are widely used in educational and research settings.
RANDHAWA GLOBAL Laboratory Kit for Chemistry Labs, RG-83330 (Combo of 19 Pcs)
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RANDHAWA GLOBAL Laboratory Kit for Chemistry Labs, RG-83330 (Combo of 19 Pcs)
By RANDHAWA GLOBAL
Combo of 19 piece
₹1,297   ₹1,599
You save ₹302!
18.89% OFF
RANDHAWA GLOBAL Laboratory Kit for Chemistry Labs, RG-83330 (Combo of 19 Pcs) is a collection of various instruments, tools, chemicals, and supplies assembled for specific scientific experiments, educational purposes, or research activities. These kits are designed to provide researchers, students, or enthusiasts with a convenient and comprehensive set of resources necessary to conduct experiments or analyses in a particular field or discipline. Here's an explanation of what a laboratory kit typically includes and its various applications:
Components of a Laboratory Kit:
Instruments and Equipment: A laboratory kit may contain a range of scientific instruments and equipment such as microscopes, thermometers, pH meters, centrifuges, pipettes, test tubes, beakers, and more. The specific items included depend on the intended use of the kit.
Chemicals and Reagents: Kits may include chemicals, reagents, and solutions needed for specific experiments. These can include acids, bases, indicators, buffers, stains, and more. Safety data sheets and instructions for proper handling are often provided.
Glassware and Plasticware: Various glassware and plasticware items like flasks, vials, petri dishes, and cuvettes may be part of the kit. These are essential for holding and manipulating liquids and samples.
Consumables: Lab kits often include consumable items like filter paper, disposable pipette tips, gloves, and disposable lab coats to ensure cleanliness and safety during experiments.
Instructions and Manuals: Detailed instructions or manuals are typically provided to guide users on how to perform experiments safely and accurately. These instructions may include step-by-step procedures, safety guidelines, and troubleshooting tips.
Applications of Laboratory Kits:
Education: Laboratory kits are widely used in educational settings, such as schools and universities, to facilitate hands-on learning experiences. They are valuable for teaching fundamental scientific concepts and techniques across various disciplines, including biology, chemistry, physics, and environmental science.
Research: Researchers in both academic and industrial settings use specialized lab kits to streamline experiments and analyses. These kits often contain specialized reagents and equipment tailored to specific research needs.
Quality Control: In industries such as food, pharmaceuticals, and cosmetics, laboratory kits are used for quality control and product testing. They help ensure that products meet regulatory standards and quality specifications.
Field Work: Some laboratory kits are designed for fieldwork, allowing scientists and environmentalists to collect and analyze samples in remote or outdoor environments. These kits are portable and equipped with tools for on-site analysis.
Diagnostic Testing: In medical and clinical laboratories, diagnostic kits are used for the detection of diseases and health conditions. These kits typically include specialized assays, reagents, and equipment for conducting tests on patient samples.
Laboratory kits are valuable resources that simplify the process of conducting experiments, research, and analyses across various scientific disciplines. They provide convenience, consistency, and reliability, making them essential tools for both beginners and experienced professionals in the world of science and research.
RANDHAWA GLOBAL Borosilicate Glass Gerber Butyrometer for Testing Fat in Milk, RG-8117
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RANDHAWA GLOBAL Borosilicate Glass Gerber Butyrometer for Testing Fat in Milk, RG-8117
By RANDHAWA GLOBAL
₹376   ₹499
You save ₹123!
24.65% OFF
RANDHAWA GLOBAL Borosilicate Glass Gerber Butyrometer for Testing Fat in Milk, RG-8117 is a specialized laboratory instrument used to determine the fat content in various liquid samples, particularly in dairy products like milk and cream. It is an essential tool in the dairy industry and plays a crucial role in quality control and product standardization. Here's a detailed explanation of a butyrometer:
Construction and Design:
A butyrometer consists of a long, graduated glass tube with a bulb-shaped reservoir at the bottom.
The tube is typically marked with precise graduations in milliliters (mL), allowing for accurate measurement of the volume of liquid being tested.
Inside the tube, there is a graduated capillary, often calibrated in percentage fat content.
The reservoir at the bottom contains a specialized reagent mixture, such as sulfuric acid or hydrochloric acid, which is used to digest and separate the fat from the liquid sample.
Working Principle:
A known volume of the liquid sample (usually around 10 mL) is introduced into the butyrometer.
A small amount of a fat-soluble dye, such as Sudan III or Sudan IV, may be added to the sample to aid in the visualization of the fat layer.
The butyrometer is then carefully sealed with a stopper to ensure that no gas can escape during the subsequent digestion process.
The butyrometer is placed in a water bath or incubator, where it is heated to a specific temperature (usually around 60-70°C) for a specific duration (typically 30-60 minutes). During this time, the acid reagent digests the fat in the sample, separating it from the other components.
After digestion, the butyrometer is allowed to cool to room temperature.
The fat content is determined by measuring the height of the fat layer in the graduated capillary, which is proportional to the fat content of the sample.
Applications:
Butyrometers are primarily used in the dairy industry to determine the fat content in milk and cream. Accurate fat content measurement is crucial for quality control, product standardization, and labeling compliance.
They are also employed in research laboratories for various applications, including the analysis of other lipid-containing samples, such as oils and emulsions.
Butyrometers are instrumental in ensuring that dairy products meet regulatory requirements and consumer expectations regarding fat content.
In summary, a butyrometer is a specialized laboratory instrument used for the precise determination of fat content in liquid samples, especially in dairy products. Its design and working principle allow for accurate and reliable measurements, making it an essential tool in quality control and product development within the dairy industry.
RANDHAWA GLOBAL Tapered Wooden Stopper Cork Size No. 2 for Bottles, ‎RG-12221 (Pack of 50 Pcs)
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RANDHAWA GLOBAL 12.7 mm Tapered Wooden Stopper Cork Size No. 2 for Bottles RG-12221
By RANDHAWA GLOBAL
Pack of 50 piece
₹270 - ₹589
You save ₹1,410!
70.54% OFF
The Randhawa Global 12.7 mm Tapered Wooden Stopper Cork, identified as Size No. 2 for Bottles in the RG-12221 model, offers a reliable sealing solution for bottles. Crafted from high-quality wood and tapered to fit securely into bottle openings, this cork stopper ensures a tight seal, effectively preserving the freshness and integrity of the bottle's contents. With a diameter of 12.7 mm, this cork stopper is specifically designed to accommodate smaller bottles, providing versatility for various packaging needs. Its Size No. 2 designation simplifies identification and selection, making it easy to match the cork stopper to the appropriate bottle size. The RG-12221 cork stopper from Randhawa Global serves both a practical purpose and adds a touch of natural elegance to bottled products. Whether used for sealing beverages, oils, or other liquids, this cork stopper enhances the presentation and appeal of the packaged goods while ensuring optimal preservation. In summary, the Randhawa Global 12.7 mm Tapered Wooden Stopper Cork, Size No. 2 for Bottles, RG-12221, delivers a reliable sealing solution that maintains the freshness and quality of bottled contents.
green checkMaterial : Wooden
green checkColor : Light Brown
green checkSize : No. 2
green checkType of Product : Stopper Cork
green checkModel No : ‎RG-12221
green checkLength : 17.5 mm
green checkSuitable For : Bottles, Jars, DIY Crafts and Arts
green checkTop Diameter (mm) : 12.7 mm
green checkStyle : Tapered
green checkBottom Diameter (mm) : 9.5 mm
RANDHAWA GLOBAL Flat Base Glass Test Tube Without Marking with Cork Lid, RG-8203 (Pack of 20 Pcs)
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RANDHAWA GLOBAL Flat Base Glass Test Tube Cork Lid, RG-8203 (Pack of 20 Pcs)
By RANDHAWA GLOBAL
Pack of 20 piece
₹601 - ₹730
You save ₹398!
39.84% OFF
The RANDHAWA GLOBAL Flat Base Glass Test Tube with Cork Lid RG-8203 comes in a convenient pack of 20 pieces. These test tubes are essential laboratory tools suitable for various scientific experiments, sample storage, and analysis. Featuring a flat base design, these test tubes offer stability when placed on surfaces, reducing the risk of spills or accidents during handling. The cork lids provided with each test tube ensure a secure closure, preventing contamination and evaporation of the contents. Each test tube in the pack is crafted from high-quality glass, ensuring durability and resistance to chemical reactions. This makes them suitable for a wide range of applications in research laboratories, educational institutions, and industrial settings. With the convenience of a pack of 20 pieces, laboratories have an ample supply of test tubes for conducting experiments or storing samples. The standardized dimensions of the test tubes allow for compatibility with standard laboratory equipment, facilitating seamless integration into laboratory workflows. In summary, the RANDHAWA GLOBAL Flat Base Glass Test Tube with Cork Lid RG-8203 Pack of 20 Pcs provides reliability, versatility, and convenience for laboratory work. Whether used for scientific experiments, sample storage, or analysis, these test tubes are indispensable tools for scientists, researchers, and students alike.
green checkDiameter : 18 mm
green checkColor : Transparent
green checkLength : 150 mm
green checkPackage Contains : 20 Pcs
green checkIncluded Components : Cork Lid
green checkPack of : 20 Piece
green checkThickness : 1.2 mm
RANDHAWA GLOBAL Borosilicate Glass Test Tube 34 mm x 150 mm with Cork, RG-22067 (Pack of 2 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass Test Tube 34 mm x 150 mm with Cork, RG-22067 (Pack of 2 Pcs)
By RANDHAWA GLOBAL
Pack of 2 piece
₹424   ₹699
You save ₹275!
39.34% OFF
RANDHAWA GLOBAL Borosilicate Glass Test Tube 34 mm x 150 mm with Cork, RG-22067 (Pack of 2 Pcs) is a cylindrical, transparent or translucent laboratory glassware commonly used in scientific experiments and research. It typically consists of a long, narrow tube with an open top and a rounded or flat bottom. Test tubes come in various sizes to accommodate different volumes of liquids or substances, ranging from a few milliliters to several milliliters.
Test tubes serve a wide range of functions in laboratories across various scientific disciplines. They are primarily used for holding, mixing, heating, and observing small quantities of liquids or solid samples. Their versatility makes them indispensable in chemistry, biology, medicine, and other scientific fields.
In chemistry, test tubes are often used for conducting chemical reactions on a small scale. Researchers can combine reagents, observe color changes, and measure reaction rates within these tubes. They are also suitable for heating substances over a Bunsen burner or in a water bath, thanks to their heat-resistant borosilicate glass construction.
In biology and microbiology, test tubes are utilized for culturing microorganisms, conducting tests, and performing various analytical procedures. They provide a controlled environment for growing bacteria, fungi, and other microorganisms. Test tubes can also be used for centrifugation to separate components of a solution based on density.
Moreover, test tubes play a crucial role in medical laboratories for collecting, storing, and analyzing blood, urine, and other bodily fluids. They are often used in conjunction with specialized equipment to perform diagnostic tests and detect diseases.
Test tubes can be capped with stoppers or sealed with other closures to prevent contamination and evaporation. Additionally, they are easy to label and organize, making them an essential tool for keeping track of numerous samples in a laboratory setting.
In summary, test tubes are fundamental laboratory tools that facilitate a wide range of scientific experiments and analyses. Their simplicity, versatility, and transparency make them indispensable for researchers in various disciplines, enabling the observation, manipulation, and examination of substances on a small scale.
RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Reagent Bottle, RG- 33904 (Pack of 4)
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RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Reagent Bottle, RG- 33904 (Pack of 4)
By RANDHAWA GLOBAL
Pack of 4 piece
₹2,359   ₹2,499
You save ₹140!
5.6% OFF
RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Reagent Bottle, RG- 33904 (Pack of 4) is a type of laboratory glassware designed for the safe storage and dispensing of chemical reagents and solutions. These bottles play a crucial role in laboratories across various scientific disciplines, including chemistry, biology, and research. They are specifically designed to meet the stringent requirements of chemical storage and handling.
Key features and characteristics of reagent bottles include:
Material: Reagent bottles are typically made of high-quality borosilicate glass, which is resistant to chemical corrosion and thermal shock. This glass type ensures the integrity of the stored chemicals and prevents contamination.
Shape and size: These bottles are available in various shapes and sizes, including narrow-mouth and wide-mouth designs. The choice of bottle shape depends on the specific application and the ease of dispensing or pouring the reagent.
Stopper or cap: Reagent bottles are equipped with a stopper or screw cap made of materials such as glass, plastic, or rubber. These closures provide an airtight seal to prevent the escape of volatile substances and to maintain the purity and concentration of the reagent.
Labeling: To ensure proper identification, reagent bottles often have a label or an area for marking the contents, concentration, date of preparation, and other relevant information. Proper labeling is critical for laboratory safety and maintaining accurate records.
Graduations: Some reagent bottles come with graduated markings on the glass surface, allowing precise measurement of the volume of the reagent poured or dispensed.
Common uses of reagent bottles include:
Chemical storage: Reagent bottles are used to store a wide range of chemicals, including acids, bases, solvents, salts, and various reagents required for experiments and analysis.
Sample storage: In biological and chemical laboratories, reagent bottles are used to store biological samples, culture media, and reference standards.
Dilution and dispensing: Researchers use reagent bottles to dilute concentrated solutions and to dispense precise volumes of reagents during experiments.
Reagent handling: Reagent bottles with wide mouths are suitable for handling powders, crystals, and substances that need to be transferred into other containers or reaction vessels.
Chemical transport: These bottles are also employed for transporting small quantities of reagents safely between laboratory areas.
In summary, reagent bottles are essential laboratory containers designed to store, handle, and dispense chemical reagents and solutions. Their construction materials, sealing mechanisms, and labeling options are carefully chosen to ensure the safe and accurate handling of chemicals in laboratory settings, promoting both experimental success and safety.
RANDHAWA GLOBAL Staining Coplin Jar for Holding 5-10 Microscopic Slides, RG-3401 (Pack of 12 Pcs)
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RANDHAWA GLOBAL Staining Coplin Jar for Holding 5-10 Microscopic Slides, RG-3401 (Pack of 12 Pcs)
By RANDHAWA GLOBAL
Pack of 12 piece
₹825   ₹999
You save ₹174!
17.42% OFF
RANDHAWA GLOBAL Staining Coplin Jar for Holding 5-10 Microscopic Slides, RG-3401 (Pack of 12 Pcs) is a laboratory container specifically designed for staining biological specimens, typically in histology, microbiology, and other biological research and diagnostic applications. Staining is a common technique used to enhance the visibility and contrast of cells and tissues under a microscope. Coplin jars provide a convenient and controlled environment for staining slides or tissue sections.
Key features and functions of a staining Coplin jar:
Design: Staining Coplin jars are usually made of clear glass or durable plastic and have a square or rectangular shape. They are typically open at the top to allow easy placement and retrieval of slides.
Compartments: These jars typically feature multiple compartments or slots, each designed to hold one or more microscope slides vertically. The compartments ensure that the slides are immersed in the staining solution and prevent them from sticking together during the staining process.
Lid: A lid or cover is provided to seal the staining Coplin jar, preventing the evaporation of staining solutions and minimizing exposure to potentially hazardous chemicals. The lid also helps maintain a consistent temperature if the jar is placed on a hot plate or water bath.
Chemical Resistance: Staining Coplin jars are resistant to a wide range of chemicals commonly used in staining procedures, ensuring that they can safely contain various staining solutions without degrading or leaching chemicals.
Graduated Scales: Some Coplin jars feature graduated scales on the sides, allowing users to measure and pour staining solutions accurately.
Applications of staining Coplin jars:
Histochemistry: These jars are essential tools in histochemical staining procedures used to visualize specific chemical components within cells and tissues, such as proteins, enzymes, and nucleic acids.
Microbiology: In microbiology, staining Coplin jars are used for bacterial staining techniques like Gram staining, acid-fast staining, and capsule staining.
Cytology: Cytologists use these jars for staining cytological specimens, such as Pap smears, to detect abnormal cell changes indicative of diseases like cancer.
Immunohistochemistry: Immunohistochemical staining of tissue sections to identify specific antigens relies on staining Coplin jars to apply reagents like antibodies and chromogens to slides.
Special Stains: Staining Coplin jars are used for various special stains that highlight specific cell components or pathological changes in tissues, aiding in disease diagnosis.
In summary, a staining Coplin jar is a specialized laboratory container designed to facilitate the staining of microscope slides and tissue sections. It provides a controlled environment for immersing slides in staining solutions, ensuring that biological specimens are properly prepared for microscopic examination. These jars are crucial tools in histology, microbiology, and other biological disciplines, contributing to the accurate diagnosis and research of diseases and cellular structures.
RANDHAWA GLOBAL Round Base Test Tube without Marking with Cork Lid 18x150 mm (Pack of 20 Pcs)
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RANDHAWA GLOBAL Round Base Test Tube Cork Lid, 18x150 mm (Pack of 20 Pcs)
By RANDHAWA GLOBAL
Pack of 20 piece
₹483 - ₹542
You save ₹457!
45.75% OFF
The RANDHAWA GLOBAL Round Base Test Tube with Cork Lid comes in a pack of 20 pieces, each measuring 18x150 mm. These test tubes are essential tools for laboratory experiments, sample storage, and various scientific applications. Featuring a round base design, these test tubes provide stability when placed on flat surfaces, minimizing the risk of spills or accidents during handling. The cork lids included with each test tube offer a secure closure, helping to prevent contamination and evaporation of the contents. With dimensions of 18x150 mm, these test tubes offer ample space for holding liquid samples, reagents, or substances under investigation. The standardized size ensures compatibility with standard laboratory equipment, allowing for seamless integration into laboratory workflows and procedures. The pack of 20 pieces provides a convenient and cost-effective solution for laboratories requiring multiple test tubes for experiments or sample storage. Whether used in research laboratories, educational institutions, or industrial settings, these test tubes offer reliability, versatility, and convenience for a wide range of scientific applications. In summary, the RANDHAWA GLOBAL Round Base Test Tube with Cork Lid Pack of 20 Pcs is an essential component of any laboratory seeking to conduct experiments, store samples, and perform analyses. Its round base design, cork lid closure, and standardized dimensions make it a valuable tool for scientists, researchers, and students alike.
green checkDiameter : 18 mm
green checkColor : Transparent
green checkLength : 150 mm
green checkPackage Contains : 20 Pcs
green checkIncluded Components : Cork Lid
green checkPack of : 20 Piece
green checkThickness : 1.2 mm
RANDHAWA GLOBAL Porcelain Buchner Filtration Funnel 100 mm Dia, RG-9509
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RANDHAWA GLOBAL Porcelain Buchner Filtration Funnel
By RANDHAWA GLOBAL
₹553 - ₹683
You save ₹322!
35.82% OFF
The RANDHAWA GLOBAL Porcelain Buchner Filtration Funnel is a specialized laboratory apparatus used for vacuum filtration processes. Crafted from high-quality porcelain material, this Buchner funnel is designed to withstand the rigors of laboratory use and is suitable for a wide range of filtration applications. The Buchner funnel features a porous base with tiny perforations, allowing for the filtration of solids from liquids under vacuum pressure. This design enables efficient separation of precipitates or particulate matter from solutions, making it ideal for tasks such as removing impurities from chemical solutions or isolating solid compounds from liquid mixtures. The RANDHAWA GLOBAL Porcelain Buchner Filtration Funnel is commonly used in chemistry, biology, and environmental science laboratories for various filtration procedures. Its durable porcelain construction ensures chemical resistance and thermal stability, making it compatible with a wide range of laboratory solvents and temperatures. Overall, the RANDHAWA GLOBAL Porcelain Buchner Filtration Funnel provides a reliable and efficient solution for vacuum filtration processes in laboratory environments. Its robust construction, porous base, and versatility make it an essential tool for scientists, researchers, and laboratory technicians involved in filtration and separation procedures.
green checkType of Product : Buchner Filtration Funnel
green checkMaterial : Porcelain
green checkColor : White
green checkUsage For : Filtration
green checkApplication Area : Laboratories
green checkFinishing : Glazed Inside
green checkChemical Resistant : Yes
RANDHAWA GLOBAL Plastic Molecular Model Euro Design for Students, RG-49906
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RANDHAWA GLOBAL Plastic Molecular Model Euro Design for Students, RG-49906
By RANDHAWA GLOBAL
₹1,769   ₹1,899
You save ₹130!
6.85% OFF
RANDHAWA GLOBAL Plastic Molecular Model Euro Design for Students, RG-49906 are physical representations of molecules used to visualize and understand the three-dimensional structures, shapes, and chemical properties of molecules in chemistry and biochemistry. These models help scientists, students, and researchers better comprehend molecular structures and their interactions, contributing to advancements in various scientific fields.
Key features and functions of molecular models:
Representation of Atoms and Bonds: Molecular models depict atoms as spheres of different sizes and colors, representing different elements. Bonds between atoms are typically represented by sticks or connectors, indicating the type of chemical bond (e.g., single, double, or triple bonds).
Three-Dimensional Visualization: Molecular models provide a three-dimensional representation of molecules, allowing users to see the spatial arrangement of atoms and bonds. This is crucial for understanding molecular shapes, which have a significant impact on chemical reactivity and properties.
Chemical Structure Analysis: Scientists use molecular models to analyze and predict the behavior of molecules in chemical reactions. Models help determine bond angles, bond lengths, and steric effects that influence reaction mechanisms and product formation.
Education and Teaching: Molecular models are valuable teaching aids in chemistry and biochemistry classrooms. They help students visualize complex molecular structures and gain a better understanding of chemical concepts.
Drug Design and Molecular Biology: Molecular modeling is essential in drug discovery and molecular biology. Researchers use models to design and study drug molecules, enzymes, and proteins, aiding in drug development and understanding biological processes.
Materials Science: In materials science, molecular models assist in studying the structure and properties of materials, including polymers, crystals, and nanomaterials.
Crystallography: Molecular models are used alongside X-ray crystallography to determine the precise atomic arrangements in crystals. These models are essential in fields like mineralogy and solid-state chemistry.
Types of molecular models:
Ball-and-Stick Models: These models represent atoms as spheres and bonds as sticks. They are among the most common types of molecular models.
Space-Filling Models: Space-filling models, also known as CPK models (named after the chemists Robert Corey, Linus Pauling, and Walter Koltun), depict atoms as solid spheres that fill the space they occupy.
Wireframe Models: Wireframe models use lines to represent bonds and may not depict atoms as spheres. They emphasize the molecular structure's connectivity.
Computer Models: Molecular modeling software and computer programs simulate molecular structures and properties on a computer screen. These models provide detailed information and can be manipulated virtually.
In conclusion, molecular models are indispensable tools in chemistry and related fields, helping researchers and students visualize and analyze the structures, shapes, and chemical properties of molecules. They play a crucial role in scientific research, education, drug discovery, and materials science by providing insights into the behavior of molecules at the atomic and molecular level.
RANDHAWA GLOBAL Graduated Centrifuge Tube 15 ml Radiation Sterile, ‎546021 (Pack of 25 Pcs)
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RANDHAWA GLOBAL Graduated Centrifuge Tube 15 ml Radiation Sterile, ‎546021 (Pack of 25 Pcs)
By RANDHAWA GLOBAL
Pack of 25 piece
₹565   ₹999
You save ₹434!
43.44% OFF
RANDHAWA GLOBAL Graduated Centrifuge Tube 15 ml Radiation Sterile, ‎546021 (Pack of 25 Pcs) is a small, cylindrical container with a screw-on or snap-on cap, designed for use in centrifugation, a process that separates substances of different densities or sizes by spinning them at high speeds. Centrifuge tubes come in various sizes, materials, and designs, and they are commonly used in biological, chemical, and clinical laboratories for a wide range of applications. Here's a detailed explanation of a centrifuge tube in 300 words:
Design and Components:
Centrifuge tubes are typically made of materials such as plastic (polypropylene, polystyrene) or glass, depending on their intended use.
They have a cylindrical body with a conical or round bottom, which allows for efficient separation of substances during centrifugation.
The tubes feature a screw-on, snap-on, or push-cap design to seal the contents securely and prevent spillage or contamination.
Graduations or markings on the side of the tube provide volume measurements for accurate sample preparation.
Applications:
Centrifuge tubes are used in centrifugation, a process that applies centrifugal force to separate substances of different densities. Common applications include:
Separating blood components (e.g., plasma and red blood cells) in clinical settings.
Pelleting cells, organelles, or precipitates in molecular biology and microbiology.
Separating and purifying proteins, nucleic acids, and other biomolecules in research and diagnostics.
Clarifying suspensions and removing particles in chemistry and industrial processes.
Types and Sizes:
Centrifuge tubes come in various sizes, ranging from microcentrifuge tubes (e.g., 0.2 ml to 2 ml) to larger conical centrifuge tubes (e.g., 15 ml to 50 ml).
Microcentrifuge tubes are typically used for small-volume samples, while conical centrifuge tubes accommodate larger volumes.
Some tubes are designed for specific applications, such as PCR tubes for polymerase chain reaction (PCR) and cryogenic tubes for storing samples at ultra-low temperatures.
Safety Considerations:
When using centrifuge tubes, it's essential to ensure that they are properly sealed to prevent leakage during centrifugation.
Centrifuge tubes should be balanced in the centrifuge rotor to avoid vibrations and potential damage.
Safety precautions, such as wearing appropriate personal protective equipment (PPE) and using compatible rotors and centrifuge speeds, must be followed when handling centrifuge tubes and using centrifuges.
In summary, a centrifuge tube is a small cylindrical container with a screw-on or snap-on cap, used in centrifugation to separate substances based on density or size. They are essential tools in laboratories across various scientific fields for applications ranging from sample preparation to biomolecule purification and clinical diagnostics.
RANDHAWA GLOBAL Polypropylene Test Tube Stand 3 Tier 31 Holes x 16 mm Dia, ‎NWO303TT
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RANDHAWA GLOBAL Polypropylene Test Tube Stand 3 Tier 31 Holes x 16 mm Dia, ‎NWO303TT
By RANDHAWA GLOBAL
₹471   ₹599
You save ₹128!
21.37% OFF
RANDHAWA GLOBAL Polypropylene Test Tube Stand 3 Tier 31 Holes x 16 mm Dia, ‎NWO303TT is a laboratory tool designed to hold and organize test tubes during experiments, storage, and analysis. Test tube stands come in various forms and materials, each suited to specific laboratory needs.Key features and functions of a test tube stand:Tube Support: The primary purpose of a test tube stand is to securely hold test tubes in an upright position. This allows for easy access to the tubes, prevents them from rolling or falling over, and minimizes the risk of spillage or breakage.Organization: Test tube racks come in different sizes, with varying numbers of slots or holes to accommodate multiple test tubes simultaneously. They help organize and categorize test tubes based on experiment type, sample, or other criteria.Stability: Test tube stands have a stable base that keeps the tubes steady, even when they are filled with liquids or placed on uneven surfaces. This stability is crucial for preventing accidents and maintaining the integrity of samples.Material Options: Test tube stands are made from various materials, including plastic, metal, and wood. The choice of material depends on factors such as chemical compatibility, durability, and cost.Heat Resistance: Some test tube stands are designed to withstand high temperatures, making them suitable for holding test tubes during heating or boiling processes.Versatility: Some test tube racks are modular or adjustable, allowing users to customize the rack to fit different sizes of test tubes or other laboratory containers.Drying and Storage: Test tube stands are also useful for drying test tubes after cleaning and for storing them when not in use. Properly organized and stored test tubes are readily available for future experiments.Transport: In some cases, test tube racks are designed with handles or carry features, making it easy to transport a set of test tubes from one location to another without disturbing their contents.Applications of test tube stands:Chemistry: In chemical laboratories, test tube stands are used for mixing, heating, and reacting chemical substances. They help keep the reactions organized and safe.Biology: In biology labs, test tube racks are used for holding and organizing test tubes containing samples such as cultures, liquids, or specimens.Medical Testing: Test tube stands are commonly used in clinical and diagnostic labs for holding blood and urine test tubes during sample collection and processing.Research: In various scientific research disciplines, test tube racks are indispensable for conducting experiments, analyzing data, and ensuring the safe handling of test tubes.Education: Test tube stands are used in educational settings to teach students proper laboratory techniques and to facilitate experiments and demonstrations.Overall, test tube stands are essential laboratory accessories that contribute to the efficiency, safety, and organization of experiments and sample handling in a wide range of scientific and medical fields. They help researchers and technicians work more effectively while maintaining the integrity of their samples.
RANDHAWA GLOBAL Metal Blood Cell Counter 5 Keys for All Microscope, RG-33080
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RANDHAWA GLOBAL Metal Blood Cell Counter for All Microscope, RG-33080
By RANDHAWA GLOBAL
₹1,574 - ₹2,099
You save ₹1,095!
41.02% OFF
The RANDHAWA GLOBAL Metal Blood Cell Counter for All Microscope RG-33080 is a versatile and reliable tool designed for the accurate counting and analysis of blood cells under a microscope. Crafted with durable metal construction, this blood cell counter is compatible with all standard microscopes, making it an essential instrument for medical laboratories, research facilities, and educational institutions. Featuring a user-friendly design, the blood cell counter simplifies the process of counting and classifying different types of blood cells, including red blood cells, white blood cells, and platelets. The counter is equipped with precise tallying mechanisms and clear markings, allowing users to accurately record cell counts and perform differential cell counts with ease. The metal construction of the blood cell counter ensures durability and stability, making it suitable for repeated use in demanding laboratory environments. Its compatibility with all microscope models enhances its versatility and usability, enabling healthcare professionals and researchers to conduct blood cell analyses with confidence and precision. Furthermore, the blood cell counter's ergonomic design and intuitive operation minimize the risk of errors and promote efficiency in cell counting procedures. Its compact size also makes it convenient for use in settings where space may be limited, such as clinical laboratories or field research sites. In summary, the RANDHAWA GLOBAL Metal Blood Cell Counter for All Microscope RG-33080 offers a reliable solution for blood cell counting and analysis in various scientific and medical applications. Its durable construction, compatibility with all microscopes, and user-friendly design make it an indispensable tool for professionals seeking accurate and efficient blood cell characterization.
green checkType of Product : Blood Cell Counter
green checkModel No : RG-33080
green checkMaterial : Metal
green checkApplication Area : Laboratories
green checkColor : Grey
green checkUsage For : Blood cell counting and simple computations
green checkPack of : 1 Piece
RANDHAWA GLOBAL Optical Kit for Educational Purpose, RG-290031 (Pack of 7 Pcs)
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RANDHAWA GLOBAL Chemistry Lab Kit for Educational Purpose
By RANDHAWA GLOBAL
Pack of 7 piece
₹671 - ₹730
You save ₹228!
25.36% OFF
The RANDHAWA GLOBAL Chemistry Lab Kit for Educational Purposes is a comprehensive set of laboratory equipment and supplies designed to facilitate hands-on learning and experimentation in chemistry education. Tailored for educational use, this kit includes essential tools, apparatus, and materials necessary for conducting a wide range of chemistry experiments and demonstrations. The kit typically includes items such as: 1. Beakers: For mixing, heating, and holding liquids during experiments. 2. Test tubes: Used for holding small quantities of substances for observation and analysis. 3. Graduated cylinders: For accurate measurement of liquid volumes. 4. Glassware: Such as flasks, funnels, and pipettes for various laboratory procedures. 5. Chemicals: Basic chemicals and reagents required for performing common chemistry experiments. 6. Safety equipment: Including goggles, gloves, and lab coats to ensure safe experimentation. 7. Instruction manual: Providing guidelines, safety precautions, and experiment ideas for educators and students. The RANDHAWA GLOBAL Chemistry Lab Kit aims to enhance the learning experience by providing students with hands-on opportunities to explore fundamental concepts of chemistry, such as chemical reactions, stoichiometry, and properties of matter. By engaging in practical experiments, students can deepen their understanding of theoretical concepts and develop essential laboratory skills. This educational kit is suitable for use in schools, colleges, and educational institutions to support chemistry curricula and laboratory classes. It offers educators a convenient and comprehensive solution for conducting engaging and interactive chemistry lessons, fostering curiosity, critical thinking, and scientific inquiry among students.
green checkColor : Multicolor
green checkSuitable For : Educational Purpose
RANDHAWA GLOBAL Tapered Wooden Stopper Cork Size No.1 for Bottles, ‎RG-12221 (Pack of 50 Pcs)
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RANDHAWA GLOBAL 11.1 mm Tapered Wooden Stopper Cork Size No. 1 for Bottles RG-12221
By RANDHAWA GLOBAL
Pack of 50 piece
₹270 - ₹565
You save ₹1,434!
71.74% OFF
The Randhawa Global 11.1 mm Tapered Wooden Stopper Cork, specified as Size No. 1 for Bottles within the RG-12221 model, provides a reliable sealing solution for bottles. Crafted from high-quality wood and tapered to fit securely into bottle openings, this cork stopper ensures a tight seal, effectively preserving the freshness and integrity of the bottle's contents. With a diameter of 11.1 mm, this cork stopper is specifically designed to accommodate smaller bottles, offering versatility for various packaging needs. Its Size No. 1 designation simplifies identification and selection, making it easy to match the cork stopper to the appropriate bottle size. The RG-12221 cork stopper from Randhawa Global serves both a practical function and adds a touch of natural elegance to bottled products. Whether used for sealing beverages, oils, or other liquids, this cork stopper enhances the presentation and appeal of the packaged goods while ensuring optimal preservation. In summary, the Randhawa Global 11.1 mm Tapered Wooden Stopper Cork, Size No. 1 for Bottles, RG-12221, delivers a reliable sealing solution that maintains the freshness and quality of bottled contents.
green checkMaterial : Wooden
green checkColor : Light Brown
green checkSize : No.1
green checkType of Product : Stopper Cork
green checkModel No : ‎RG-12221
green checkLength : 15.9 mm
green checkSuitable For : Bottles, Jars, DIY Crafts and Arts
green checkTop Diameter (mm) : 11.1 mm
green checkStyle : Tapered
green checkBottom Diameter (mm) : 8.3 mm
RANDHAWA GLOBAL Tapered Wooden Stopper Cork Size No. 8 for Bottles, ‎RG-12221 (Pack of 6 Pcs)
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RANDHAWA GLOBAL 22.2 mm Tapered Wooden Stopper Cork Size No. 8 for Bottles RG-12221
By RANDHAWA GLOBAL
Pack of 6 piece
₹353 - ₹742
You save ₹1,646!
82.34% OFF
The Randhawa Global 22.2 mm Tapered Wooden Stopper Cork, designated as Size No. 8 for Bottles within the RG-12221 model, offers a reliable sealing solution for bottles. Crafted from high-quality wood and tapered to fit securely into bottle openings, this cork stopper ensures a tight seal, effectively preserving the freshness and integrity of the bottle's contents. With a diameter of 22.2 mm, this cork stopper is specifically designed to accommodate bottles of various sizes, providing versatility for different packaging needs. Its Size No. 8 designation simplifies identification and selection, making it easy to match the cork stopper to the appropriate bottle size. The RG-12221 cork stopper from Randhawa Global serves both a practical function and adds a touch of natural elegance to bottled products. Whether used for sealing beverages, oils, or other liquids, this cork stopper enhances the presentation and appeal of the packaged goods while ensuring optimal preservation. In summary, the Randhawa Global 22.2 mm Tapered Wooden Stopper Cork, Size No. 8 for Bottles, RG-12221, delivers a reliable sealing solution that maintains the freshness and quality of bottled contents.
green checkMaterial : Wooden
green checkColor : Light Brown
green checkSize : No. 8
green checkType of Product : Stopper Cork
green checkModel No : ‎RG-12221
green checkLength : 31.8 mm
green checkSuitable For : Bottles, Jars, DIY Crafts and Arts
green checkTop Diameter (mm) : 22.2 mm
green checkStyle : Tapered
green checkBottom Diameter (mm) : 17.1 mm
RANDHAWA GLOBAL Tapered Wooden Stopper Cork Size No. 4 for Bottles, ‎RG-12221 (Pack of 50 Pcs)
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RANDHAWA GLOBAL 15.9 mm Tapered Wooden Stopper Cork Size No. 4 for Bottles RG-12221
By RANDHAWA GLOBAL
Pack of 50 piece
₹282 - ₹636
You save ₹1,363!
68.18% OFF
The Randhawa Global 15.9 mm Tapered Wooden Stopper Cork, identified as Size No. 4 for Bottles within the RG-12221 model, provides a dependable sealing solution for bottles. Crafted from high-quality wood and tapered to fit securely into bottle openings, this cork stopper ensures a tight seal, effectively preserving the freshness and integrity of the bottle's contents. With a diameter of 15.9 mm, this cork stopper is specifically designed to accommodate smaller bottles, offering versatility for various packaging needs. Its Size No. 4 designation simplifies identification and selection, making it easy to match the cork stopper to the appropriate bottle size. The RG-12221 cork stopper from Randhawa Global serves both a practical function and adds a touch of natural elegance to bottled products. Whether used for sealing beverages, oils, or other liquids, this cork stopper enhances the presentation and appeal of the packaged goods while ensuring optimal preservation. In summary, the Randhawa Global 15.9 mm Tapered Wooden Stopper Cork, Size No. 4 for Bottles, RG-12221, delivers a reliable sealing solution that maintains the freshness and quality of bottled contents.
green checkMaterial : Wooden
green checkColor : Light Brown
green checkSize : No. 4
green checkType of Product : Stopper Cork
green checkModel No : ‎RG-12221
green checkLength : 20.6 mm
green checkSuitable For : Bottles, Jars, DIY Crafts and Arts
green checkTop Diameter (mm) : 15.9 mm
RANDHAWA GLOBAL Test Tube Stand, 6 Test Tubes and Test Tube Holder Combo, RG- 40035 (Combo of 8)
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RANDHAWA GLOBAL Test Tube Stand, 6 Test Tubes and Test Tube Holder Combo, RG- 40035 (Combo of 8)
By RANDHAWA GLOBAL
Combo of 8 piece
₹306   ₹599
You save ₹293!
48.92% OFF
RANDHAWA GLOBAL Test Tube Stand, 6 Test Tubes and Test Tube Holder Combo, RG- 40035 (Combo of 8) is a laboratory tool designed to hold multiple test tubes in an upright and organized position. Key features and functions include:
Construction: Test tube stands are typically made of materials like plastic, wood, metal, or acrylic. The choice of material depends on factors such as durability, chemical resistance, and the specific laboratory environment.
Design: They come in various designs, including single-row, multiple-row, and rotating models. Single-row stands hold test tubes in a linear fashion, while multiple-row stands can accommodate a larger number of tubes. Rotating stands allow easy access to individual test tubes.
Compartments: Each compartment or slot in the stand is designed to securely hold an individual test tube. These compartments are often cylindrical and have openings at the top for easy placement and retrieval of test tubes.
Stability: To prevent test tubes from tipping over and causing accidents, test tube stands are designed with a stable base that ensures they remain upright, even when loaded with test tubes.
2. Test Tubes (Set of Six):
Test tubes are cylindrical, open-ended containers made of glass or plastic, and they serve various purposes in laboratory experiments. A set of six test tubes is a common configuration. Key features and uses include:
Materials: Test tubes can be made of glass or plastic. Glass test tubes are commonly used when chemical compatibility and heat resistance are essential.
Capacity: Test tubes come in various sizes, but a standard size can typically hold 5-20 milliliters of liquid or sample.
Applications: Test tubes are used for a wide range of laboratory tasks, including mixing, heating, storing, and observing chemical reactions, as well as culturing microorganisms.
3. Test Tube Holder:
A test tube holder, also known as test tube tongs or clamps, is a specialized tool designed to securely grip and manipulate individual test tubes. Key features and functions include:
Construction: Test tube holders are often made of metals like stainless steel or nickel-plated steel, which provides durability and resistance to corrosion. Some models have plastic-coated grips or sleeves to enhance comfort and grip.
Gripping Mechanism: Test tube holders have a gripping mechanism, such as spring-loaded jaws, that can be operated with one hand. This mechanism securely holds the test tube, preventing it from slipping or falling.
Safety: Many test tube holders incorporate safety features like short-circuiting switches or shunts to prevent damage to the tubes and ensure user safety.
Together, these components - the test tube stand, six test tubes, and test tube holder - are fundamental tools in laboratory work. They facilitate the safe handling, organization, and utilization of test tubes, ensuring that experiments and procedures are conducted accurately and efficiently.
RANDHAWA GLOBAL Borosilicate Glass Beaker 250 ml with Graduation Marks, RG-44662
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RANDHAWA GLOBAL Borosilicate Glass 3.3 Beaker 250 ml with Graduation Marks RG-44662
By RANDHAWA GLOBAL
₹329 - ₹2,241
You save ₹2,670!
89.03% OFF
The Randhawa Global Borosilicate Glass Beaker, featuring a capacity of 250 ml and equipped with graduation marks, designated as RG-44662, provides a reliable solution for various laboratory applications. Crafted from high-quality borosilicate glass, this beaker ensures excellent chemical resistance, thermal stability, and durability, making it suitable for a wide range of experimental and analytical tasks. The graduation marks etched onto the glass surface enable precise volume measurements, facilitating accurate sample handling and experimentation. This feature allows for easy monitoring and tracking of liquid levels, enhancing workflow efficiency and accuracy in laboratory settings. The RG-44662 borosilicate glass beaker from Randhawa Global meets stringent quality standards, ensuring reliable performance and durability in demanding laboratory environments. Its transparent design provides clear visibility of contents, enabling easy observation and analysis during experiments. In summary, the Randhawa Global Borosilicate Glass Beaker, 250 ml with Graduation Marks, RG-44662, serves as a dependable tool for precise liquid handling and measurement, making it an essential component in laboratory setups.
green checkCapacity : 250 ml
green checkModel No : RG-44662
green checkType of Product : Beaker
green checkMaterial : Borosilicate Glass 3.3
green checkColor : Transparent
green checkChemical Resistant : Yes
green checkGraduation : Yes
green checkApplication Area : Laboratories
green checkUsage For : Clinical, research and educational purpose
green checkBottom Type : Flat
RANDHAWA GLOBAL Multiple Size Borosilicate Glass Funnel for Laboratories, RG-6448 (Pack of 4 Pcs)
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RANDHAWA GLOBAL Multiple Size Borosilicate Glass Funnel for Laboratories, RG-6448 (Pack of 4 Pcs)
By RANDHAWA GLOBAL
Pack of 4 piece
₹695   ₹899
You save ₹204!
22.69% OFF
RANDHAWA GLOBAL Multiple Size Borosilicate Glass Funnel for Laboratories, RG-6448 (Pack of 4 Pcs) is a common laboratory and household tool with a conical or cylindrical shape, often made of glass, plastic, or metal. It is designed for various liquid-handling tasks, facilitating the controlled transfer of liquids from one container to another. Funnel designs vary, but they generally share key features:
Cone or Cylinder: Funnels can have either a conical or cylindrical shape, with a wider opening at the top and a narrower, pointed or tubular bottom. The choice of shape depends on the specific application. Conical funnels are typically used for filtration and decanting, while cylindrical funnels are more common for guiding liquids into containers with narrow necks, like bottles.
Neck: The neck of the funnel is the narrow part at the bottom that directs the liquid into a desired container. It may have a simple, straight design, or it may feature an extended tube or spout to help direct the liquid flow precisely.
Handle or Ribbed Sides: Many funnels have a handle or ribbed sides near the top, providing a convenient grip and making it easier to hold and manipulate the funnel during use.
Filtering: Funnels are often used in combination with filter paper or other filtering media to separate solids from liquids in a process called filtration. The filter paper is placed in the funnel, and the liquid containing solid particles is poured through it. The filter paper traps the solids while allowing the liquid to pass through.
Channeling Liquids: Funnels are excellent tools for transferring liquids, especially when precision is required. They help prevent spills and allow for controlled pouring, which is essential in applications such as chemical experiments, cooking, and filling containers with small openings.
Different Materials: Funnels come in various materials to suit different needs. Glass funnels are heat-resistant and chemically inert, making them suitable for laboratory use. Plastic funnels are lightweight and resistant to corrosion, making them convenient for household and industrial applications. Metal funnels are durable and often used in industrial settings.
Common uses of funnels include:
Transferring Liquids: Funnels make it easier to pour liquids from large containers into smaller ones, minimizing the risk of spillage.
Filtering Liquids: Funnels are essential for separating solids from liquids during filtration processes, common in laboratories and industrial settings.
Adding Liquids: In chemistry and cooking, funnels allow precise addition of liquids to a solution or mixture.
Filling Containers: They assist in filling containers with narrow openings, such as bottles and flasks, without spillage.
In summary, funnels are versatile tools used in laboratories, kitchens, and various industrial applications for transferring, filtering, and pouring liquids with precision and control. Their simple yet effective design plays a crucial role in preventing spills and ensuring efficient liquid handling.
RANDHAWA GLOBAL Stainless Steel Spirit Lamp for Chemistry Labs, RG-4471
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RANDHAWA GLOBAL Stainless Steel Spirit Lamp for Chemistry Labs, RG-4471
By RANDHAWA GLOBAL
₹293 - ₹387
You save ₹329!
52.89% OFF
The RANDHAWA GLOBAL Stainless Steel Spirit Lamp RG-4471 is an essential tool used in chemistry laboratories for various applications such as heating, sterilizing, and performing flame tests. Crafted from durable stainless steel, this spirit lamp offers reliability, durability, and resistance to corrosion, making it suitable for prolonged use in laboratory settings. The spirit lamp is designed to safely contain and dispense denatured alcohol or other flammable liquids used as a fuel source. Its compact and portable design allows for easy placement on laboratory benches or workstations, providing convenient access during experiments and procedures. The flame produced by the spirit lamp can be adjusted to suit different heating requirements, making it versatile for a wide range of laboratory applications. Whether used for sterilizing equipment, heating reaction mixtures, or conducting flame tests for metal ions, the spirit lamp provides a consistent and controllable flame. The RANDHAWA GLOBAL Stainless Steel Spirit Lamp RG-4471 is commonly used in chemistry laboratories, educational institutions, and research facilities for heating and sterilization purposes. Its sturdy construction, adjustable flame, and ease of use make it an indispensable tool for scientists, researchers, and laboratory technicians conducting experiments and procedures in chemistry and related fields.
green checkType of Product : Spirit Lamp
green checkMaterial : Stainless Steel
green checkModel No : RG-4471
green checkColor : Silver
green checkApplication Area : Laboratories
green checkFuel Type : Alcohol
green checkStyle : Modern
RANDHAWA GLOBAL Glass Test Tube 55 ml Capacity and 25x150 mm Size, RG-33214 (Pack of 20 Pcs)
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RANDHAWA GLOBAL 25x150 mm Glass Test Tube 55 ml Capacity, RG-33214
By RANDHAWA GLOBAL
Pack of 20 piece
₹270 - ₹683
You save ₹116!
14.52% OFF
The RANDHAWA GLOBAL Glass Test Tube RG-33214 is a versatile laboratory apparatus with a capacity of 55 ml and dimensions of 25x150 mm. Constructed from high-quality glass, this test tube is designed to withstand a wide range of temperatures and chemical reactions, making it suitable for various scientific experiments and analyses. With its 55 ml capacity, the test tube provides ample space for holding liquid samples, reagents, or substances under investigation. The transparent nature of glass allows for easy observation of reactions and changes occurring within the test tube, facilitating data collection and analysis. The dimensions of 25x150 mm make the test tube compatible with standard laboratory equipment, including test tube racks, heating apparatus, and centrifuges. Its standardized size ensures compatibility and ease of integration into existing laboratory workflows and procedures. The RANDHAWA GLOBAL Glass Test Tube RG-33214 is widely used in research laboratories, educational institutions, and industrial settings for a variety of applications, including chemical analysis, sample storage, and experimentation. Its durability, transparency, and standardized dimensions make it an indispensable tool for scientists, researchers, and students alike. In summary, the RANDHAWA GLOBAL Glass Test Tube RG-33214 offers reliability, versatility, and convenience for laboratory work. Its 55 ml capacity, 25x150 mm size, and durable glass construction make it an essential component of any laboratory seeking to conduct experiments, perform analyses, and advance scientific knowledge.
green checkMaterial : Borosilicate Glass 3.3
green checkModel No : RG-33214
green checkType of Product : Test Tube
green checkCapacity : 55 ml
green checkDiameter : 25 mm
green checkColor : Transparent
green checkLength : 150 mm
green checkChemical Resistant : Yes
green checkApplication Area : Laboratories
green checkDesign : Rim
RANDHAWA GLOBAL Test Tube Brush 150 mm for Cleaning, RG-33090 (Pack of 5 Pcs)
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RANDHAWA GLOBAL Test Tube Brush 150 mm for Cleaning, RG-33090
By RANDHAWA GLOBAL
Pack of 5 piece
₹199 - ₹459
You save ₹167!
37.19% OFF
The RANDHAWA GLOBAL Test Tube Brush, measuring 150 mm in length and designated as RG-33090, is specifically designed for cleaning test tubes in laboratory settings. Crafted with durable bristles and a sturdy handle, this brush provides effective cleaning action, ensuring thorough removal of residue and contaminants from the inner surface of test tubes. With its 150 mm length, this test tube brush offers sufficient reach to clean various sizes of test tubes effectively. The bristles are designed to reach into the corners and crevices of the test tubes, ensuring comprehensive cleaning without causing damage to the glassware. The RG-33090 test tube brush from RANDHAWA GLOBAL meets stringent quality standards, ensuring reliable performance in laboratory environments. Its durable construction and effective cleaning capabilities make it an essential tool for maintaining cleanliness and hygiene in laboratory settings. In summary, the RANDHAWA GLOBAL Test Tube Brush, 150 mm in length, RG-33090, is a reliable and practical accessory for laboratory cleaning tasks, providing efficient cleaning of test tubes to ensure accurate and reliable experimental results.
green checkModel No : RG-33090
green checkType of Product : Test Tube Brush
green checkColor : White and Silver
green checkLength : 150 mm
green checkUsage For : Test Tube Cleaning
green checkApplication Area : Science Labs
green checkHandle Material : Metal
green checkBristles : Nylon
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GENERIC 10x12 inch Plastic Tamper Resistant Courier Bag with POD, 51 Micron (Pack of 100)
2
Pack of 100 piece
₹185
oos-available Ships within 24 hrs
IB BASICS 310 GSM Cobra File (Spring Clip) Assorted Color A4 Size (Pack of 10)
Pack of 10 piece
₹150
oos-available Ships within 24 hrs
Safari Pro Steel Toe Derby Safety Shoes Low Ankle Size UK 8 Black Model Power
6
₹194
oos-available Ships within 24 hrs
ABRO PU Foam Insulation Sealant Off White, 750 ml
₹393
oos-available Ships within 24 hrs
GENERIC Steel Toe Safety Shoes High Ankle PVC Sole Size UK 9 Black, Power-9
12
₹299
oos-available Ships within 24 hrs
GENERIC 12A Compatible Toner Cartridge Black for HP LaserJet 1010 and 1020 Printer series, HP LaserJet 3015, 3020, 3030, 3050, 3050z, 3052, and 3055 All-in-One Printer series, and HP LaserJet M1005 mfp
14
₹412
Browsing History
sku-leadTime Ships within 5 days
NVK CULTIVATOR 9 - TYNES
₹37,799
sku-leadTime Ships within 7 days
Kisankraft Agricultural Inter Cultivator KK-IC-250D
₹99,749
sku-leadTime Ships within 3 days
RBD Mini Harvester Petrol Type with ISI Honda Engine RBD-RPR
₹1,67,999
sku-leadTime Ships within 7 days
Kisankraft Diesel Intercultivator KK-IC-256D
₹93,449
sku-leadTime Ships within 10 days
Stihl 7 HP Petrol Operated Power Tiller, MH-710
₹82,949
sku-leadTime Ships within 3 days
RBD Mini Harvester Diesel Type with ISI Greaves Cotton Engine RBD-RDR
₹1,78,499
sku-leadTime Ships within 3 days
Texas 306 cc 4 stroke Power Weeder Pro Trac 950D with Self Start
₹1,78,499
sku-leadTime Ships within 6 days
Neptune NC-100 380 RPM Red Weeder
₹44,099 ₹54,600
19.23% OFF
sku-leadTime Ships within 7 days
KISANKRAFT Agricultural Inter Cultivator/Power Weeder 208 cc 4 Stroke Petrol Engine, KK-IC-208P
₹86,139

Top Selling RANDHAWA GLOBAL Lab Supplies Products Price List for March 2026

Product Name Expected Price Dispatch Time Discount
Khanna Traders Trachea Intubation Training Model ₹27,139 3 days --
Benchmark Scientific PlateFuge MicroCentrifuge with swing-out rotor - C2000 ₹188,799 4 days 5.36% OFF
SSU 30 L Grey Hot Air Oven for Laboratories ₹8,731 5 days --
Whatman 47 mm Dia, 0.2UM Pore Size,Anodisc Membrane Filters Without Support Ring 6809-5522 ₹94,399 30 days --
SESW 220 V VDRL Shaker ₹5,309 3 days 10.02% OFF
SESW upto 15 L Microprocessor Based Laboratory Stirrer ₹9,203 3 days --
Khanna Traders Multifunctional Injectable IV Arm Model ₹7,315 3 days --
This data was last updated on 18/03/2026

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