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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.

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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.

Type of Product : Test Tube Rack

Material : Aluminium

Shape : Rectangular

No. of Holes : 24

Color : Silver

Chemical Resistant : Yes

Application Area : School and College Laboratories

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RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031

By RANDHAWA GLOBAL

₹2,831   ₹4,899

You save ₹2,068!

42.21% 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 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.

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RANDHAWA GLOBAL Aspirator Bottle with Cap and Stop Cock for Chemistry Labs, RG-45112

By RANDHAWA GLOBAL

Bottle of 20 litre

₹1,061 - ₹2,831

You save ₹968!

25.48% OFF

The RANDHAWA GLOBAL Aspirator Bottle RG-45112 is an essential piece of equipment designed for use in chemistry laboratories. It is equipped with a cap and stopcock for precise control of the flow of liquids. Aspirator bottles are commonly used for dispensing liquids, such as water or solvents, in controlled amounts during laboratory experiments and procedures. The cap ensures a secure seal to prevent leakage or evaporation of the contents, while the stopcock allows for convenient regulation of the liquid flow. Constructed from durable materials, the aspirator bottle is designed to withstand the rigors of laboratory use and is resistant to chemical corrosion. Its robust construction ensures long-term durability and reliability in demanding laboratory environments. The RANDHAWA GLOBAL Aspirator Bottle with Cap and Stopcock RG-45112 is suitable for a wide range of applications in chemistry labs, including titrations, dilutions, and solution preparation. Its precision design and convenient features make it an indispensable tool for scientists, researchers, and students conducting experiments and procedures requiring accurate liquid dispensing.

Color : White

Material : PP

Type of Product : Aspirator Bottle

Model No : RG-45112

Usage For : Storage of Chemicals and Reagents

Application Area : Laboratories

Included Components : Cap and Stop Cock

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RANDHAWA GLOBAL Non Mercury Thermometer -10 to 110°C for Lab and Industrial Use, RG- 99043

By RANDHAWA GLOBAL

₹247   ₹999

You save ₹752!

75.28% OFF

RANDHAWA GLOBAL Non Mercury Thermometer -10 to 110°C for Lab and Industrial Use, RG- 99043 is an instrument used for measuring temperature. It's a crucial tool in science, industry, healthcare, meteorology, and everyday life. Thermometers work on the principle that materials expand or contract in response to changes in temperature, which is then measured and displayed as a numerical value.
Here are the key components and principles of a thermometer:
Temperature Sensing Element: The heart of a thermometer is the temperature-sensing element. This element can take various forms:
Liquid-in-Glass: These thermometers use a column of liquid, typically mercury or alcohol, inside a glass tube. As the temperature changes, the liquid expands or contracts, and the level in the tube rises or falls. The scale on the tube provides the temperature reading.
Bimetallic Strip: Bimetallic thermometers employ two strips of different metals (with different coefficients of thermal expansion) bonded together. When exposed to temperature changes, the strips bend due to the unequal expansion, and this bending motion is used to indicate temperature.
Thermocouple: Thermocouples consist of two different metal wires connected at one end. When the junction is exposed to temperature variations, it generates a voltage that is proportional to the temperature difference, allowing for precise temperature measurements.
Resistance Temperature Detector (RTD): RTDs use a material (often platinum) whose electrical resistance changes with temperature. By measuring the resistance, the temperature can be determined accurately.
Infrared: Infrared thermometers measure temperature by detecting the infrared radiation emitted by an object. They are commonly used for non-contact temperature measurements, such as in medical thermometers or for checking the temperature of cooking surfaces.
Scale: Most thermometers have a scale that corresponds to the temperature being measured. This scale can be in degrees Celsius (°C), degrees Fahrenheit (°F), or Kelvin (K), depending on the thermometer's intended use and location.
Display: Modern thermometers often have a digital display that directly shows the temperature reading, making them easy to read and interpret. Traditional thermometers with liquid-in-glass displays require reading the scale where the liquid level intersects.
Applications of thermometers are diverse and include:
Weather Forecasting: Meteorologists use thermometers to monitor and record temperature data, essential for weather forecasts and climate studies.
Healthcare: Clinical thermometers are used to measure body temperature, helping diagnose illnesses and monitor health.
Cooking: Cooking thermometers ensure food safety and help achieve desired cooking temperatures for various dishes.
Industrial Processes: Thermometers are crucial in industries like manufacturing, petrochemical, and food processing, where precise temperature control is essential.
Environmental Monitoring: Thermometers are used to measure and track temperature changes in natural ecosystems, such as oceans and forests.
Scientific Research: Thermometers are indispensable tools in laboratories for conducting experiments and research across various scientific disciplines.
In conclusion, thermometers are vital instruments for measuring temperature in diverse settings, enabling us to understand and control temperature-dependent processes, ensure safety, and make informed decisions in various fields of science, industry, and everyday life.

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RANDHAWA GLOBAL 41.3 mm Tapered Wooden Stopper Cork Size No. 20 for Bottles RG-12221

By RANDHAWA GLOBAL

Pack of 20 piece

₹789 - ₹1,887

You save ₹112!

5.6% OFF

The Randhawa Global 41.3 mm Tapered Wooden Stopper Cork, designated as Size No. 20 for Bottles under the model RG-12221, 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 41.3 mm, this cork stopper is specifically designed to accommodate bottles of various sizes, offering versatility for different packaging needs. Its Size No. 20 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 sophistication 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 41.3 mm Tapered Wooden Stopper Cork, Size No. 20 for Bottles, RG-12221, delivers a dependable sealing solution that maintains the freshness and quality of bottled contents.

Material : Wooden

Color : Light Brown

Size : No. 20

Type of Product : Stopper Cork

Model No : ‎RG-12221

Length : 35 mm

Suitable For : Bottles, Jars, DIY Crafts and Arts

Top Diameter (mm) : 41.3 mm

Style : Tapered

Bottom Diameter (mm) : 34.1 mm

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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.

Type of Product : Ostwald Viscometer

Model No : RG-93301

Material : Borosilicate Glass 3.3

Color : Transparent

Usage For : Scientific Experiments

Application Area : School and College Labs

Pattern Type : College Pattern

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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.

Diameter : 18 mm

Color : Transparent

Length : 150 mm

Package Contains : 20 Pcs

Included Components : Cork Lid

Pack of : 20 Piece

Thickness : 1.2 mm

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RANDHAWA GLOBAL Milk Adulteration Test Kit for Laboratories, NCE-21

By RANDHAWA GLOBAL

₹4,719  

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.

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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.

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RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG - 22098

By RANDHAWA GLOBAL

₹553   ₹899

You save ₹346!

38.49% OFF

RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG - 22098 is a laboratory instrument used to measure the viscosity of liquids. Viscosity is a property that describes a fluid's resistance to flow, and it is crucial in various scientific and industrial applications, including the food industry, pharmaceuticals, and chemical engineering. The Ostwald viscometer operates on the principle of measuring the time it takes for a liquid to flow through a narrow capillary tube under the influence of gravity.
Key components and principles of the Ostwald viscometer:
U-Shaped Tube: The core of an Ostwald viscometer consists of a U-shaped glass tube, which is open at both ends. One arm of the U-tube is wider and serves as a reservoir for the liquid being tested, while the other arm is a narrow capillary tube through which the liquid flows.
Timing Marks: The capillary tube has timing marks etched or marked along its length. These marks provide a reference for measuring the time it takes for the liquid to travel a specific distance in the capillary.
Temperature Control: Accurate viscosity measurements are temperature-sensitive. Many Ostwald viscometers have a temperature control jacket or a water bath to maintain a constant and precisely controlled temperature during the test.
The procedure for using an Ostwald viscometer is as follows:
The viscometer is filled with the liquid to be tested, which is drawn up into the wider arm of the U-tube.
A stopwatch is started as soon as the liquid reaches a specific reference mark on the timing scale.
The liquid flows under the influence of gravity through the narrow capillary tube, and the stopwatch is stopped when it reaches another reference mark.
The time it took for the liquid to travel the known distance in the capillary tube is recorded.
The viscosity of the liquid is calculated using the specific formula associated with the particular viscometer design and the measured time.
The viscosity measurement is often expressed in units such as poise (P) or centipoise (cP), depending on the system of units used.
The Ostwald viscometer is widely used for routine viscosity measurements of liquids with Newtonian behavior, where viscosity remains constant regardless of the applied shear stress. However, it may not be suitable for non-Newtonian fluids, which exhibit varying viscosity under different shear conditions. For such fluids, specialized viscometers like rotational viscometers or rheometers are preferred. Despite its limitations, the Ostwald viscometer remains a valuable tool for quick and relatively simple viscosity determinations in many laboratory settings.

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RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037

By RANDHAWA GLOBAL

₹376 - ₹1,297

You save ₹1,099!

73.32% 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.

Type of Product : Reagent Bottle

Color : Transparent

Model No : RG-44037

Material : Borosilicate Glass 3.3

Included Components : Screw Cap

Cap Color : Blue

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RANDHAWA GLOBAL Centrifuge Machine 8 Test Tube Capacity for Milk Testing, RG-5502

By RANDHAWA GLOBAL

₹9,085   ₹13,999

You save ₹4,914!

35.1% OFF

RANDHAWA GLOBAL Centrifuge Machine 8 Test Tube Capacity for Milk Testing, RG-5502 is a crucial laboratory instrument used to separate components of a liquid mixture or suspension based on their density, size, and shape. It achieves this separation by subjecting samples to high-speed rotational forces, causing the denser components to move outward toward the bottom of the centrifuge tube while the less dense components remain closer to the center.
Key components and features of a centrifuge machine:
Rotor: The rotor is the core component of the centrifuge. It is a spindle-like structure that holds the centrifuge tubes or containers in place during operation. The rotor can come in various configurations, such as fixed-angle rotors or swinging-bucket rotors, depending on the specific centrifugation needs.
Centrifuge Tubes: Centrifuge tubes, often made of plastic or glass, are placed within the rotor to hold the liquid samples. These tubes are designed to withstand the high speeds and forces generated during centrifugation.
Motor: The motor is responsible for generating the high-speed rotation required for centrifugation. It is located within the centrifuge housing and is controlled by the user to set the desired speed and duration of the centrifuge run.
Control Panel: Centrifuge machines feature a control panel with settings for speed, time, and acceleration or deceleration rates. Users can adjust these parameters to customize the centrifugation process to suit the specific requirements of their samples.
Lid and Safety Features: Centrifuges are equipped with a secure lid to prevent accidental spillage and ensure user safety. Many models also have safety interlocks that prevent the lid from being opened while the rotor is in motion.
Applications of Centrifuge Machines:
Cellular and Molecular Biology: Centrifugation is commonly used to separate cellular components, such as organelles, proteins, and DNA, from cell lysates. This is critical in various research and diagnostic applications.
Clinical and Diagnostic Labs: In clinical laboratories, centrifuges are used for tasks like separating blood into its components (plasma, red blood cells, and platelets), isolating pathogens, and conducting diagnostic tests.
Chemistry and Biochemistry: Centrifuges are employed for purifying and isolating chemical compounds, separating mixtures, and performing density gradient centrifugation to study molecules and particles.
Pharmaceutical Industry: Centrifuge machines play a vital role in drug development and production by separating and purifying pharmaceutical compounds and biologics.
Environmental Science: They are used in environmental research to analyze soil and water samples, as well as in wastewater treatment processes.
Food and Beverage Industry: Centrifuges are used for separating and clarifying liquids in the food and beverage industry, such as separating cream from milk or extracting fruit juice.
In summary, a centrifuge machine is an indispensable tool in various scientific and industrial fields, enabling the separation and analysis of different components within liquid samples. Its versatility and precision make it a cornerstone of laboratory research, diagnostics, and manufacturing processes across numerous disciplines.

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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.

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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.

Type of Product : Buchner Filtration Funnel

Material : Porcelain

Color : White

Usage For : Filtration

Application Area : Laboratories

Finishing : Glazed Inside

Chemical Resistant : Yes

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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.

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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!

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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.

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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!

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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.

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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.

Material : Wooden

Color : Light Brown

Size : No.1

Type of Product : Stopper Cork

Model No : ‎RG-12221

Length : 15.9 mm

Suitable For : Bottles, Jars, DIY Crafts and Arts

Top Diameter (mm) : 11.1 mm

Style : Tapered

Bottom Diameter (mm) : 8.3 mm

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RANDHAWA GLOBAL Convex Concave Lens and Mirror Set 50 mm Dia, RG-99034 (Set of 4 Pcs)

By RANDHAWA GLOBAL

Set of 2 piece

₹353   ₹649

You save ₹296!

45.61% OFF

RANDHAWA GLOBAL Convex Concave Lens and Mirror Set 50 mm Dia, RG-99034 (Set of 2 Pcs) is a combination of two optical elements: a convex lens and a concave mirror. These elements are positioned in such a way that they work together to manipulate the path of light rays, leading to various optical effects.
Key characteristics and functions of a convex-concave lens and mirror set:
Convex Lens: A convex lens is thicker at its center than at its edges and converges parallel rays of light that pass through it. It has a positive focal length and can form real or virtual images depending on the object's position relative to the lens.
Concave Mirror: A concave mirror is a curved mirror with an inward-curved reflective surface. It can either converge or diverge light rays, depending on its shape and the position of the object relative to the mirror. A concave mirror can form real or virtual images.
Combined Effects: When a convex lens and a concave mirror are used together in a lens-mirror system, the combined effects of both optical elements produce unique optical behaviors and applications.
Applications and characteristics of a convex-concave lens and mirror set:
Real and Virtual Images: Depending on the relative positions of the object, lens, and mirror, the system can produce both real and virtual images. Real images are formed when the object is placed between the lens and the mirror, while virtual images can be formed when the object is located on the same side as the incident light.
Magnification: The lens-mirror system can magnify or reduce the size of an object, depending on the specific arrangement. This is valuable in applications like microscopy, where magnification is essential.
Optical Path Reversal: Light rays passing through the system experience a reversal in their direction. This is useful in endoscopy and other optical instruments where the orientation of the image needs to be corrected.
Telephoto Lenses: Some telephoto camera lenses use a combination of convex lenses and concave mirrors to achieve a long focal length in a compact design. This allows for zooming and long-distance photography.
Telescopes and Binoculars: Lens-mirror systems are utilized in optical instruments like telescopes and binoculars to capture distant images and bring them into focus for observation.
Endoscopic Imaging: In medical endoscopes, a lens-mirror system is employed to transmit images from the inside of the body to an external viewing screen.
In summary, a convex-concave lens and mirror set is a combination of optical elements that can be configured to produce various optical effects, including the formation of real and virtual images, magnification, and optical path reversal. These systems are applied in a range of optical instruments and technologies, enabling advancements in fields such as photography, microscopy, and medical imaging.

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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.

Model No : RG-33090

Type of Product : Test Tube Brush

Color : White and Silver

Length : 150 mm

Usage For : Test Tube Cleaning

Application Area : Science Labs

Handle Material : Metal

Bristles : Nylon

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RANDHAWA GLOBAL 14.3 mm Tapered Wooden Stopper Cork Size No. 3 for Bottles RG-12221

By RANDHAWA GLOBAL

Pack of 50 piece

₹282 - ₹601

You save ₹1,398!

69.94% OFF

The Randhawa Global 14.3 mm Tapered Wooden Stopper Cork, designated as Size No. 3 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 14.3 mm, this cork stopper is specifically designed to accommodate smaller bottles, providing versatility for various packaging needs. Its Size No. 3 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 14.3 mm Tapered Wooden Stopper Cork, Size No. 3 for Bottles, RG-12221, delivers a reliable sealing solution that maintains the freshness and quality of bottled contents.

Material : Wooden

Color : Light Brown

Size : No. 3

Type of Product : Stopper Cork

Model No : ‎RG-12221

Length : 19.0 mm

Suitable For : Bottles, Jars, DIY Crafts and Arts

Top Diameter (mm) : 14.3 mm

Style : Tapered

Bottom Diameter (mm) : 10.7 mm

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RANDHAWA GLOBAL Borosilicate Glass Beaker 100 ml for Chemistry Labs, RG-2311

By RANDHAWA GLOBAL

₹424   ₹499

You save ₹75!

15.03% OFF

RANDHAWA GLOBAL Borosilicate Glass Beaker 100 ml for Chemistry Labs, RG-2311 is a cylindrical, glass or plastic laboratory container with a flat bottom, a lip or spout for pouring, and graduated markings to measure the volume of liquids. It is one of the most common and versatile pieces of laboratory glassware, widely used in scientific research, education, and industry.
Beakers come in various sizes, typically ranging from small, low-capacity ones, such as 50 milliliters, to large, high-capacity ones, such as 5 liters or more. They are made from materials like borosilicate glass, which is heat-resistant and chemically inert, or plastic, which is less fragile but may not be suitable for high-temperature applications.
Beakers serve a multitude of functions in the laboratory:
Mixing and Stirring: Beakers are often used for mixing and stirring liquids and solutions. Their wide opening allows for easy access with a spatula, stirring rod, or magnetic stir bar. They are particularly useful for preparing and diluting solutions.
Heating: Beakers can be placed on a laboratory hotplate or Bunsen burner to heat substances gently. This makes them suitable for processes like evaporation, boiling, or heating reactions. However, beakers are not designed for highly precise temperature control, so specialized equipment like flasks or crucibles may be used for more delicate heating applications.
Observation: Beakers are transparent, allowing researchers to visually inspect the contents during experiments. This feature is especially valuable for qualitative observations, such as changes in color or the formation of precipitates.
Storing Liquids: Beakers can be covered with watch glasses, plastic lids, or aluminum foil to protect the contents from contamination or evaporation. They are commonly used for short-term storage of liquids.
Measuring Volume: The graduations on the side of the beaker provide approximate volume measurements. While not as precise as graduated cylinders, beakers are suitable for estimating volumes when high accuracy is not required.
Pouring: Beakers are equipped with a spout or lip that facilitates easy and controlled pouring of liquids into other containers or vessels.
Overall, beakers are versatile, durable, and cost-effective laboratory tools that find widespread use in various scientific and educational settings. Their simplicity and ease of use make them essential for tasks ranging from basic mixing and heating to more complex chemical reactions and observations.

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RANDHAWA GLOBAL Battery Hydrometer, AUZAR 1056

By RANDHAWA GLOBAL

₹612   ₹999

You save ₹387!

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RANDHAWA GLOBAL Battery Hydrometer, AUZAR 1056 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.

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RANDHAWA GLOBAL Lactometer for Checking Milk Purity with in a Minute, RG- 10032

By RANDHAWA GLOBAL

₹282   ₹399

You save ₹117!

29.32% 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.

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RANDHAWA GLOBAL 25.4 mm Tapered Wooden Stopper Cork Size No. 10 for Bottles RG-12221

By RANDHAWA GLOBAL

Pack of 50 piece

₹365 - ₹1,415

You save ₹584!

29.21% OFF

The Randhawa Global 25.4 mm Tapered Wooden Stopper Cork, Size No. 10 for Bottles, designated as RG-12221, offers a reliable and convenient solution for sealing bottles with precision. Crafted with high-quality wood and tapered to fit securely into bottle openings, this cork stopper ensures a tight seal to maintain the freshness and integrity of bottled contents. With a diameter of 25.4 mm, this cork stopper is designed to fit bottles of various sizes, providing versatility for different packaging needs. Its size No. 10 designation makes it easy to identify and select the appropriate cork for specific bottle sizes. The RG-12221 cork stopper from Randhawa Global combines functionality with aesthetics, adding a touch of natural elegance to bottled products. Whether used for packaging beverages, oils, or other liquids, this cork stopper provides a reliable sealing solution that enhances product presentation and preserves quality. Overall, the Randhawa Global 25.4 mm Tapered Wooden Stopper Cork, Size No. 10 for Bottles, RG-12221, offers a dependable sealing option for bottles, ensuring freshness and longevity for packaged contents.

Material : Wooden

Color : Light Brown

Size : No. 10

Model No : ‎RG-12221

Length : 31.8 mm

Suitable For : Bottles, Jars, DIY Crafts and Arts

Top Diameter (mm) : 25.4 mm

Style : Tapered

Bottom Diameter (mm) : 19.4 mm

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RANDHAWA GLOBAL Borosilicate Glass Measuring Cylinder for Measuring Liquids

By RANDHAWA GLOBAL

₹388 - ₹778

You save ₹221!

22.12% OFF

The RANDHAWA GLOBAL Borosilicate Glass Measuring Cylinder is a precision instrument designed for accurately measuring the volume of liquids in laboratory settings. Crafted from high-quality borosilicate glass, this measuring cylinder offers durability, chemical resistance, and thermal stability. Featuring clear and easy-to-read graduations marked along its body, the measuring cylinder allows for precise measurement of liquid volumes. These graduations enable scientists, researchers, and students to obtain accurate readings, ensuring reliable data collection and analysis during experiments and procedures. The borosilicate glass construction of the measuring cylinder ensures transparency, allowing users to easily observe the liquid level and ensure accurate measurements. Additionally, the durable glass material is resistant to chemical corrosion and thermal shock, making the cylinder suitable for use with a wide range of liquids and under various temperature conditions. The RANDHAWA GLOBAL Borosilicate Glass Measuring Cylinder is an indispensable tool in laboratories across various scientific disciplines, including chemistry, biology, and physics. Its precise measurements, durable construction, and reliable performance make it an essential instrument for accurately measuring liquids in laboratory experiments and processes.

Color : Transparent

Type of Product : Measuring Cylinder

Material : Borosilicate Glass 3.3

Graduation : Yes

Chemical Resistant : Yes

Application Area : Laboratories

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RANDHAWA GLOBAL Laboratory Kit for Chemistry Labs, RG-83330 (Combo of 19 Pcs)

By RANDHAWA GLOBAL

Combo of 19 piece

₹1,167   ₹1,599

You save ₹432!

27.02% 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.

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RANDHAWA GLOBAL Wooden Dissecting Wooden Board 6x8 Inch, RG-22559

By RANDHAWA GLOBAL

₹601 - ₹2,477

You save ₹2,298!

79.27% OFF

The RANDHAWA GLOBAL Wooden Dissecting Board, measuring 6x8 inches and designated as RG-22559, serves as a sturdy surface for conducting dissections in laboratory settings. Crafted from high-quality wood, this dissecting board provides a durable and reliable platform for securing specimens during dissection procedures. With its dimensions of 6x8 inches, this wooden dissecting board offers ample space for positioning and dissecting small to medium-sized specimens. Its smooth surface ensures easy manipulation of specimens while facilitating precise incisions and observations. The RG-22559 dissecting board from RANDHAWA GLOBAL adheres to stringent quality standards, ensuring dependable performance in laboratory environments. Its durable construction and practical design make it an essential tool for conducting dissections accurately and efficiently. In summary, the RANDHAWA GLOBAL Wooden Dissecting Board, measuring 6x8 inches, RG-22559, is a reliable and essential accessory for laboratory dissection procedures, providing a stable and secure platform for working with specimens.

Model No : RG-22559

Size : 6x8 inch

Material : Wooden

Type of Product : Dissecting Wooden Board

Usage For : Easy placement and use of dissecting pins and scalpel blades

Application Area : Laboratories

Shape : Rectangular

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RANDHAWA GLOBAL Copper Rain Gauge with Measuring Cylinder, RG-39402 (Pack of 3 Pcs)

By RANDHAWA GLOBAL

Pack of 3 piece

₹1,887   ₹2,899

You save ₹1,012!

34.91% OFF

RANDHAWA GLOBAL Copper Rain Gauge with Measuring Cylinder, RG-39402 (Pack of 3 Pcs) is a meteorological instrument used to measure the amount of precipitation, typically rainfall, that falls at a specific location over a certain period of time. Rain gauges provide valuable data for weather forecasting, climate research, agriculture, and water resource management.
Key features and functions of a rain gauge:
Collection Funnel: A rain gauge typically consists of a funnel-shaped opening at the top that collects rainfall. The funnel directs the falling rainwater into a calibrated container or measuring tube below.
Measuring Tube: Below the funnel, there is a measuring tube or container where the collected rainwater is stored and measured. This tube is marked with units of measurement, such as inches or millimeters, allowing for accurate quantification of the rainfall.
Calibration: Rain gauges are carefully calibrated to ensure accurate measurements. Calibration involves marking the measuring tube with precise divisions to represent the amount of rainfall corresponding to each unit of measurement.
Recording Mechanism: In some advanced rain gauge systems, there may be automated recording mechanisms, such as electronic sensors, which continuously monitor and record rainfall data over time. These systems can transmit data to weather stations or databases in real-time.
Maintenance: Regular maintenance is essential to ensure the accuracy of rain gauge measurements. Cleaning the funnel and measuring tube, checking for obstructions, and verifying calibration are common maintenance tasks.
Types of rain gauges:
Standard Rain Gauge: This type features a simple funnel and measuring tube, making it a basic yet reliable option for manual rainfall measurement. It is often used in backyard weather stations and by amateur meteorologists.
Tipping Bucket Rain Gauge: Tipping bucket rain gauges consist of a funnel that directs rain into a small container suspended on a pivot. When the container fills to a certain level, it tips over, empties, and records a set amount of rainfall. This type is often automated and used in weather stations.
Weighing Rain Gauge: Weighing rain gauges measure rainfall by collecting it in a container placed on a scale. The increase in weight due to the collected water directly corresponds to the amount of rainfall. These are precise but less common and more complex to maintain.
Optical Rain Gauge: Optical rain gauges use infrared or laser beams to detect raindrop size and count, allowing for real-time data collection and measurement. They are often used in research and weather monitoring networks.
Rain gauges are essential tools for understanding and monitoring local weather patterns, assessing precipitation levels for agricultural purposes, and managing water resources. They play a critical role in weather forecasting, flood prediction, and drought monitoring, contributing to improved decision-making in various fields related to climate and weather.

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RANDHAWA GLOBAL Stainless Steel Tripod Stand, Wire Gauge, Spirit Lamp, RG-84403 (Pack of 4 Pcs)

By RANDHAWA GLOBAL

Pack of 4 piece

₹424   ₹699

You save ₹275!

39.34% OFF

RANDHAWA GLOBAL Stainless Steel Tripod Stand, Wire Gauge, Spirit Lamp, RG-84403 (Pack of 4 Pcs) is a three-legged support structure commonly used in laboratories and other settings where stability and elevated support are required. It consists of three slender, usually adjustable legs that converge at a central point to form a stable base. Tripod stands are made from materials such as metal, aluminum, or stainless steel, ensuring durability and resistance to chemical corrosion. Here's how each component of a tripod stand contributes to its function:
Legs: The legs provide stability and support for the apparatus or equipment placed on top of the stand. They are typically adjustable in height, allowing users to set the desired working height.
Central Hub: The central hub or boss head at the top of the tripod stand is used to attach various laboratory accessories, such as rings, clamps, and support rods. These accessories can hold items like beakers, flasks, or funnels securely in place.
Adjustability: The ability to adjust the height and angle of the legs and central hub allows for precise positioning of equipment and ensures a level and stable working surface.
Versatility: Tripod stands are versatile tools used in a variety of laboratory operations, including heating substances over a Bunsen burner, supporting distillation setups, and suspending objects during chemical reactions or drying.
Wire Gauge:
A wire gauge, also known as a wire gage or simply a gauge, is a measuring tool used to determine the diameter or thickness of a wire or a sheet of metal. Wire gauges come in various forms, including round gauges and sheet metal gauges, each designed for specific types of materials. They are essential in manufacturing, construction, electrical engineering, and metalworking industries for the following reasons:
Wire Sizing: Wire gauges provide a standardized method for measuring the diameter of wires, cables, and conductors. This is critical for ensuring compatibility and safety in electrical and electronic systems.
Material Thickness: Sheet metal gauges are used to measure the thickness of various sheet materials, including metal, plastic, and composite sheets. This information is crucial for designing and fabricating components accurately.
Quality Control: Wire gauges are employed in quality control processes to verify that wires and sheet materials meet specified size and thickness requirements.
Material Selection: In construction and engineering, wire gauges help professionals select the appropriate wire or sheet metal for specific applications based on the required strength, conductivity, or load-bearing capacity.
Spirit Lamp:
A spirit lamp, also known as an alcohol lamp or a spirit burner, is a simple heating device that uses alcohol as a fuel source. It consists of a metal or glass reservoir to hold the alcohol, a wick or burner element, and a flame regulator. Spirit lamps are widely used in laboratory settings and other applications for controlled, low-temperature heating. Here's how they work and their common uses:
Fuel Evaporation: Alcohol (usually ethanol or methanol) is poured into the reservoir, and the wick absorbs the liquid fuel. When the wick is ignited, the alcohol vaporizes, creating a flame.
Controlled Heat: Spirit lamps provide a relatively low, controlled heat source, making them suitable for tasks like sterilization, heating test tubes, evaporating liquids, and conducting simple chemical reactions.
Safety: The low volatility of alcohol and the ability to adjust the flame size with a regulator make spirit lamps a safe heating option for many laboratory applications.
Portability: Spirit lamps are compact and portable, making them convenient for fieldwork and experiments in locations where other heat sources may not be readily available.
Versatility: They are versatile tools used in chemistry, biology, and medical laboratories for activities like flame sterilization of equipment, liquefying agar for microbiological work, and conducting qualitative tests.
In summary, a tripod stand is a stable support structure, wire gauges are tools for measuring wire or sheet thickness, and spirit lamps are heating devices used in laboratory settings. Each of these tools serves distinct functions in scientific research, engineering, and manufacturing processes.

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RANDHAWA GLOBAL Stainless Steel Burette Stand with 18 inch SS Rod and Heavy Iron Base, RG-11091

By RANDHAWA GLOBAL

₹1,025   ₹1,799

You save ₹774!

43.02% OFF

RANDHAWA GLOBAL Stainless Steel Burette Stand with 18 inch SS Rod and Heavy Iron Base, RG-11091 is a laboratory apparatus used to support and secure burettes during titration experiments, chemical analyses, and precise liquid dispensing. It plays a crucial role in maintaining the stability and accuracy of burettes, which are graduated glass tubes used to deliver precise volumes of liquids.
Key features and functions of a burette stand:
Support for Burettes: The primary function of a burette stand is to provide a stable and vertical support for burettes. Burettes are often tall and slender, and the stand prevents them from tipping over or swaying during experiments, ensuring accurate measurements.
Adjustable Height: Burette stands are equipped with an adjustable vertical rod or column that allows users to set the height of the burette as needed for the experiment. This adjustability is crucial for maintaining proper control over the liquid flow rate.
Clamping Mechanism: The stand typically includes a clamping mechanism, such as a burette clamp or holder, which securely holds the burette in place. The clamp can be adjusted to grip the burette firmly without damaging it.
Base Support: Burette stands have a sturdy base that provides stability to the entire apparatus. The base may have a heavy metal construction or other weight-bearing features to prevent toppling.
Flexible Positioning: The adjustable rod and clamp allow the user to position the burette at various heights and angles, making it adaptable to different experimental setups and requirements.
Accessibility: Burette stands are designed to make the burette easily accessible for precise volume adjustments and titration control. This accessibility is essential when adding titrant or reading the burette's volume.
Compatibility: Burette stands are compatible with various sizes of burettes, and the clamping mechanism can accommodate different diameters securely.
Applications of burette stands:
Titration: Burette stands are commonly used in titration experiments to measure the volume of titrant added to a solution accurately. The vertical orientation of the burette allows for precise control over the titration process.
Chemical Analysis: Burette stands find application in various chemical analyses and experiments where accurate volume measurement and liquid delivery are essential.
Education: Burette stands are used in educational laboratories to teach students about titration techniques and volumetric analysis.
In summary, a burette stand is an essential piece of laboratory equipment that provides support, stability, and adjustability for burettes during precise liquid dispensing and titration experiments. Its design ensures accurate and controlled delivery of liquids, making it a valuable tool in analytical chemistry and scientific research.

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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!

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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.

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RANDHAWA GLOBAL Hydrometer and Measuring Cylinder, RG-33098

By RANDHAWA GLOBAL

Pack of 2 piece

₹671 - ₹1,132

You save ₹328!

32.83% OFF

The RANDHAWA GLOBAL Hydrometer and Measuring Cylinder RG-33098 is an essential tool for measuring the density and specific gravity of liquids with precision and accuracy. This instrument set, comprising a hydrometer and a measuring cylinder, is widely used in various industries such as chemistry, brewing, and winemaking for quality control, analysis, and research purposes. The hydrometer is a specialized device designed to float in a liquid and measure its density relative to water. It typically consists of a weighted glass bulb with a graduated stem. By observing the level at which the hydrometer floats in the liquid, users can determine its density or specific gravity. This information is crucial for assessing the concentration of dissolved solids or the alcohol content in beverages, among other applications. Accompanying the hydrometer is a measuring cylinder, which provides a precise vessel for accurately measuring the volume of liquid samples. The graduated markings on the cylinder allow for precise measurement, ensuring consistency and reliability in laboratory analyses and quality control procedures. Together, the RANDHAWA GLOBAL Hydrometer and Measuring Cylinder RG-33098 offer a comprehensive solution for measuring the density and specific gravity of liquids. Whether used in industrial laboratories, research facilities, or educational institutions, this instrument set provides a valuable tool for ensuring product quality, conducting experiments, and advancing scientific understanding. In summary, the RANDHAWA GLOBAL Hydrometer and Measuring Cylinder RG-33098 are indispensable instruments for precise measurement and analysis in a variety of industries. Their accuracy, reliability, and ease of use make them essential components of any laboratory or quality control process where liquid density or specific gravity measurement is required.

Type of Product : Density Hydrometer

Model No : RG-33098

Color : Transparent

Material : Borosilicate Glass

Included Components : Protector Case

Usage For : Measuring Specific Gravity Heavy Liquid Density

Capacity : 500 ml

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RANDHAWA GLOBAL Borosilicate Glass 3.3 Beaker 100 ml with Graduation Marks RG-44662

By RANDHAWA GLOBAL

₹223 - ₹1,297

You save ₹2,776!

92.56% OFF

The Randhawa Global Borosilicate Glass Beaker, featuring a 100 ml capacity and equipped with graduation marks, designated as RG-44662, offers 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. With graduation marks etched onto the glass surface, this beaker enables precise volume measurements, facilitating accurate sample handling and experimentation. The graduation marks allow 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, 100 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.

Capacity : 100 ml

Model No : RG-44662

Type of Product : Beaker

Material : Borosilicate Glass 3.3

Color : Transparent

Chemical Resistant : Yes

Graduation : Yes

Application Area : Laboratories

Usage For : Clinical, research and educational purpose

Bottom Type : Flat

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RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Measuring Cylinder, RG-55098 (Pack of 4 Pcs)

By RANDHAWA GLOBAL

Pack of 4 piece

₹2,241   ₹2,999

You save ₹758!

25.28% OFF

RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Measuring Cylinder, RG-55098 (Pack of 4 Pcs) is a cylindrical container with a vertical scale marked on its side. It is a common laboratory glassware used to measure the volume of liquids with relatively high accuracy. Measuring cylinders come in various sizes, typically ranging from small capacities, such as 10 milliliters (mL), to larger ones, such as 2,000 mL, to suit different measurement needs.
Key features and functions of a measuring cylinder:
Cylindrical Shape: Measuring cylinders have a straight, cylindrical shape with a uniform cross-section along their entire length. This design minimizes variations in volume caused by changes in diameter.
Scale: The most prominent feature of a measuring cylinder is the graduated scale marked on its side. This scale consists of markings, usually in milliliters (mL), which allow users to read the volume of liquid contained in the cylinder. Some measuring cylinders have additional scales, such as liters (L) or fluid ounces (fl oz), for versatility.
Pouring Lip: Measuring cylinders typically have a small pouring lip or spout at the top to facilitate controlled pouring of liquids without spillage.
Base: The base of a measuring cylinder is usually flat or slightly concave to ensure stability when placed on a flat surface.
Material: Measuring cylinders are commonly made of borosilicate glass or plastic. Borosilicate glass is preferred for its durability, transparency, and resistance to chemical reactions, making it suitable for use with a wide range of chemicals.
Calibration: Measuring cylinders are carefully calibrated during manufacturing to ensure accuracy. The calibration process involves checking the accuracy of the graduated scale and making necessary adjustments.
Tolerance: Each measuring cylinder is associated with a tolerance level, indicating the acceptable margin of error in volume measurements. High-precision measuring cylinders have a smaller tolerance.
Applications of measuring cylinders:
Quantitative Analysis: Measuring cylinders are widely used in analytical chemistry and quantitative experiments to measure precise volumes of liquids for reactions, titrations, and dilutions.
Sample Preparation: They are used in laboratories to prepare precise volumes of reagents and samples for chemical and biological analyses.
Education: Measuring cylinders are essential tools for teaching students about the concept of volume measurement and practicing accurate laboratory techniques.
Quality Control: In various industries, measuring cylinders are used for quality control and quality assurance to ensure that liquids are dispensed or mixed in the correct proportions.
Pharmaceuticals: Measuring cylinders are used in pharmaceutical laboratories for drug formulation and quality testing.
Food and Beverage: In food and beverage industries, measuring cylinders are employed to measure ingredients accurately during recipe preparation.
In summary, a measuring cylinder is a laboratory instrument designed for precise measurement of liquid volumes. Its graduated scale and careful calibration make it a valuable tool for a wide range of scientific, educational, and industrial applications where accurate volume measurements are crucial.

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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.

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RANDHAWA GLOBAL Equilateral Glass Prism 50x50 mm, RG-57002

By RANDHAWA GLOBAL

₹341   ₹399

You save ₹58!

14.54% OFF

RANDHAWA GLOBAL Equilateral Glass Prism 50x50 mm, RG-57002 is a three-dimensional optical element made of transparent glass with flat, polished surfaces, typically arranged in a triangular shape. Prisms are renowned for their ability to refract (bend) and disperse (separate) white light into its constituent colors, creating a rainbow-like spectrum. They are essential tools in optics, physics, and spectroscopy, enabling the study of light and its properties.
Key features and functions of a glass prism:
Refraction of Light: When a beam of white light enters a glass prism, it slows down and bends (refracts) due to the change in the speed of light in the denser glass medium. The amount of bending depends on the angle of incidence and the refractive index of the glass.
Dispersion of Light: One of the most famous properties of prisms is their ability to disperse white light into its component colors, creating a spectrum. This dispersion occurs because different colors of light have different wavelengths, and each wavelength is bent by a different amount when passing through the prism.
Prismatic Colors: The order of colors in the spectrum created by a prism is typically red, orange, yellow, green, blue, indigo, and violet, often remembered by the acronym "ROYGBIV." Each color corresponds to a specific wavelength of light.
Refractive Index: The refractive index of the glass prism determines the extent to which light is bent. A higher refractive index leads to greater bending of light. Different types of glass prisms with varying refractive indices are used for different optical applications.
Angling the Prism: By changing the angle at which light enters and exits the prism, one can control the path of light, enabling applications like beam deviation, total internal reflection, and creating specific light dispersion effects.
Spectroscopy: Prisms are essential components of spectrometers, instruments used to analyze the spectral composition of light. They disperse light into its constituent colors, allowing scientists to study the absorption and emission spectra of materials, identify chemical elements, and more.
Educational Tools: Glass prisms are used in educational settings to demonstrate principles of optics and the behavior of light. They help students understand concepts like refraction, dispersion, and color separation.
In summary, glass prisms are versatile optical tools that play a crucial role in understanding and manipulating the behavior of light. They are instrumental in various scientific and technological applications, from spectroscopy to photography and education. By bending and dispersing light, prisms provide valuable insights into the fundamental properties of light and enable the development of numerous optical devices and systems.

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RANDHAWA GLOBAL Cylinder, Beaker, Flask, Stirring Rod and Cleaning Brush RG-1960 (Pack of 11)

By RANDHAWA GLOBAL

Pack of 11 piece

₹2,005   ₹2,199

You save ₹194!

8.82% OFF

RANDHAWA GLOBAL Cylinder, Beaker, Flask, Stirring Rod and Cleaning Brush RG-1960 (Pack of 11) is a tall, cylindrical container with a flat base. It is used for measuring and transferring liquids with relatively high accuracy. Key features and uses of cylinders include:
Graduations: Cylinders are marked with graduated volume markings on the side, allowing precise measurement of liquid volumes. These markings are often calibrated to be read at eye level to minimize parallax errors.
Pouring Spout: Many cylinders have a pouring spout or lip to facilitate controlled pouring of liquids into other containers.
Accuracy: Graduated cylinders provide higher measurement accuracy compared to other glassware like beakers and flasks, making them suitable for tasks where precise volumes are required.
Common Uses: Graduated cylinders are commonly used for preparing solutions, measuring volumes of reagents, and conducting experiments that demand precise measurements.
Beaker:
A beaker is a cylindrical container with a flat bottom and a spout for pouring. It is a versatile and commonly used piece of laboratory glassware. Key features and uses of beakers include:
Simple Design: Beakers have a simple design, with straight sides and no precise volume markings. They are available in various sizes, from small to large.
Pouring: Beakers often have a spout for easy pouring of liquids, although the accuracy of volume measurement is limited compared to graduated cylinders.
Mixing and Heating: Beakers are suitable for mixing solutions, heating liquids over open flames or on hot plates, and performing qualitative observations.
Storage: Beakers can also be used for temporary storage of chemicals and solutions, but they are not typically used for precise measurement or long-term storage.
Conical Flask:
A conical flask, also known as an Erlenmeyer flask, is a flat-bottomed, conical-shaped glass container with a narrow neck. It is widely used in laboratories for various purposes. Key features and uses of conical flasks include:
Design: The conical shape allows for efficient mixing and swirling of liquids without excessive splashing. The narrow neck reduces the risk of spillage and contamination.
Volume Indication: While conical flasks may have volume markings, these are less accurate than those on graduated cylinders. They are primarily used for approximate volume measurements.
Applications: Conical flasks are versatile and can be used for tasks such as titrations, chemical reactions where solutions need to be mixed, and the cultivation of microorganisms in microbiology.
Heating: Conical flasks can be used for heating liquids, although they are less heat-resistant than some other glassware, such as borosilicate glass beakers.
In summary, cylinders are primarily used for precise volume measurements, beakers are versatile containers for mixing and heating, and conical flasks are useful for various laboratory tasks, particularly those involving mixing and approximate volume measurements. The choice of glassware depends on the specific requirements of the experiment or procedure being conducted.

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