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RANDHAWA GLOBAL

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RANDHAWA GLOBAL Buffer Powder with pH Value 7.0 for Chemistry Labs, ‎B44601
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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.
RANDHAWA GLOBAL Aluminium Test Tube Rack 15 mm Dia with 24 Holes, RG- 77095
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RANDHAWA GLOBAL Aluminium Test Tube Rack Dia with 24 Holes
By RANDHAWA GLOBAL
₹447 - ₹553
You save ₹452!
50.28% OFF
The RANDHAWA GLOBAL Aluminum Test Tube Rack with 24 Holes is a versatile and durable laboratory accessory designed to hold test tubes securely in place during experiments, sample storage, or analysis. Crafted from high-quality aluminum, this test tube rack offers stability and resistance to corrosion, making it suitable for use in various scientific and research environments. With its 24 holes, the test tube rack provides ample space for organizing and arranging test tubes of different sizes. The holes are precisely sized to accommodate standard test tubes, ensuring a snug fit that prevents tubes from tipping over or sliding out of place. The aluminum construction of the test tube rack offers durability and longevity, making it suitable for repeated use in laboratory settings. Its lightweight design and compact size allow for easy transportation and storage when not in use, maximizing convenience and efficiency in laboratory workflows. Whether used in academic laboratories, research facilities, or industrial settings, the RANDHAWA GLOBAL Aluminum Test Tube Rack with 24 Holes provides a reliable solution for organizing and securing test tubes during scientific experiments and analyses. Its sturdy construction, ample capacity, and ease of use make it an essential accessory for scientists, researchers, and students alike.
green checkType of Product : Test Tube Rack
green checkMaterial : Aluminium
green checkShape : Rectangular
green checkNo. of Holes : 24
green checkColor : Silver
green checkChemical Resistant : Yes
green checkApplication Area : School and College Laboratories
RANDHAWA GLOBAL Lactometer for Checking Milk Purity with in a Minute, RG- 10032
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RANDHAWA GLOBAL Lactometer for Checking Milk Purity with in a Minute, RG- 10032
By RANDHAWA GLOBAL
₹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.
RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031
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RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031
By RANDHAWA GLOBAL
₹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
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RANDHAWA GLOBAL Battery Hydrometer Tester for Checking Specific Gravity, ‎AMATEA060672
By RANDHAWA GLOBAL
₹612   ₹999
You save ₹387!
38.74% OFF
RANDHAWA GLOBAL Battery Hydrometer Tester for Checking Specific Gravity, ‎AMATEA060672 is a device used to measure the specific gravity of the electrolyte in a lead-acid battery. It is a critical tool for assessing the state of charge and overall health of automotive, marine, and industrial batteries. Here's a detailed explanation of a battery hydrometer tester in 300 words:
Design and Components:
A battery hydrometer tester typically consists of a transparent tube with a graduated scale and a rubber bulb or squeeze bulb at one end.
Inside the tube, there is a float or indicator that measures the specific gravity of the battery's electrolyte.
The graduated scale is marked with specific gravity values, typically ranging from 1.100 to 1.300 or higher, representing the density of the electrolyte.
Principle of Operation:
The operation of a battery hydrometer tester is based on the principle that the specific gravity of the electrolyte changes with the state of charge of the battery.
When a battery is fully charged, the specific gravity of the electrolyte is higher, and as it discharges, the specific gravity decreases.
The float or indicator in the hydrometer rises or falls in the electrolyte based on its density, and the scale provides a direct reading of the specific gravity.
Battery Health Assessment:
By measuring the specific gravity of each cell in a lead-acid battery, a battery hydrometer tester can help assess the overall health of the battery.
If all cells have consistent and high specific gravity readings, it indicates a fully charged and healthy battery.
Variations in specific gravity between cells can point to issues such as cell imbalance, sulfation, or electrolyte stratification, which may require maintenance or replacement of the battery.
Applications:
Battery hydrometer testers are commonly used in automotive maintenance to check the condition of car batteries and determine if they need charging or replacement.
They are also used in marine applications to assess the state of charge of boat batteries and ensure their reliability.
In industrial settings, battery hydrometer testers are used for maintaining backup power systems, forklift batteries, and other lead-acid batteries.
Safety Precautions:
When using a battery hydrometer tester, it's essential to wear safety goggles and gloves as the electrolyte is acidic and can be harmful if it comes into contact with skin or eyes.
Proper care and handling of the tester and the battery are crucial to ensure safety and accurate readings.
In summary, a battery hydrometer tester is a valuable tool for assessing the state of charge and overall condition of lead-acid batteries, making it indispensable in automotive, marine, and industrial settings where reliable battery performance is essential.
RANDHAWA GLOBAL Borosilicate Glass Butyrometer for Testing Fat in Milk, RG-3374 (Pack of 10 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass Butyrometer for Testing Fat in Milk, RG-3374 (Pack of 10 Pcs)
By RANDHAWA GLOBAL
Pack of 10 piece
₹1,533  
RANDHAWA GLOBAL Borosilicate Glass Butyrometer for Testing Fat in Milk, RG-3374 (Pack of 10 Pcs) is a specialized laboratory instrument used to determine the fat content in various liquid samples, particularly in dairy products like milk and cream. It is an essential tool in the dairy industry and plays a crucial role in quality control and product standardization. Here's a detailed explanation of a butyrometer:
Construction and Design:
A butyrometer consists of a long, graduated glass tube with a bulb-shaped reservoir at the bottom.
The tube is typically marked with precise graduations in milliliters (mL), allowing for accurate measurement of the volume of liquid being tested.
Inside the tube, there is a graduated capillary, often calibrated in percentage fat content.
The reservoir at the bottom contains a specialized reagent mixture, such as sulfuric acid or hydrochloric acid, which is used to digest and separate the fat from the liquid sample.
Working Principle:
A known volume of the liquid sample (usually around 10 mL) is introduced into the butyrometer.
A small amount of a fat-soluble dye, such as Sudan III or Sudan IV, may be added to the sample to aid in the visualization of the fat layer.
The butyrometer is then carefully sealed with a stopper to ensure that no gas can escape during the subsequent digestion process.
The butyrometer is placed in a water bath or incubator, where it is heated to a specific temperature (usually around 60-70°C) for a specific duration (typically 30-60 minutes). During this time, the acid reagent digests the fat in the sample, separating it from the other components.
After digestion, the butyrometer is allowed to cool to room temperature.
The fat content is determined by measuring the height of the fat layer in the graduated capillary, which is proportional to the fat content of the sample.
Applications:
Butyrometers are primarily used in the dairy industry to determine the fat content in milk and cream. Accurate fat content measurement is crucial for quality control, product standardization, and labeling compliance.
They are also employed in research laboratories for various applications, including the analysis of other lipid-containing samples, such as oils and emulsions.
Butyrometers are instrumental in ensuring that dairy products meet regulatory requirements and consumer expectations regarding fat content.
In summary, a butyrometer is a specialized laboratory instrument used for the precise determination of fat content in liquid samples, especially in dairy products. Its design and working principle allow for accurate and reliable measurements, making it an essential tool in quality control and product development within the dairy industry.
RANDHAWA GLOBAL Aspirator Bottle 20 L with Cap and Stop Cock for Chemistry Labs, RG-45112
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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.
green checkColor : White
green checkMaterial : PP
green checkType of Product : Aspirator Bottle
green checkModel No : RG-45112
green checkUsage For : Storage of Chemicals and Reagents
green checkApplication Area : Laboratories
green checkIncluded Components : Cap and Stop Cock
RANDHAWA GLOBAL Metal Water Turbine for Teaching and Learning Purpose, RG-44529
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RANDHAWA GLOBAL Metal Water Turbine for Teaching and Learning Purpose, RG-44529
By RANDHAWA GLOBAL
₹1,651  
RANDHAWA GLOBAL Metal Water Turbine for Teaching and Learning Purpose, RG-44529 is a mechanical device that converts the kinetic energy of flowing water into mechanical energy, which can then be used to generate electricity or perform various mechanical tasks. Water turbines have been used for centuries and play a critical role in hydropower generation, a renewable and sustainable source of energy. Here are the key components and functions of a water turbine:
Runner or Rotor: The central component of a water turbine is the runner or rotor. It is typically a wheel-like structure with blades or buckets attached to its perimeter. The runner is placed in the path of the flowing water, and as the water strikes the blades, it imparts kinetic energy to the runner.
Water Source: Water turbines are positioned in rivers, streams, dams, or other water bodies with a flow of water. The water source provides the necessary kinetic energy for the turbine to operate.
Nozzle or Guide Vanes: In some turbine designs, there are nozzles or guide vanes that control the flow of water onto the runner, optimizing the energy transfer. These components direct the water flow to maximize the turbine's efficiency.
Shaft: The mechanical energy generated by the runner is transferred to a rotating shaft connected to it. This shaft is responsible for transmitting the mechanical power to a generator, pump, or other machinery.
Generator or Mechanical Load: Water turbines are often connected to generators, which convert the mechanical energy from the shaft into electrical energy. In industrial and mechanical applications, the shaft may be linked to pumps, mills, or other machinery for various purposes.
Governor System: In hydropower plants, a governor system may be employed to regulate the speed of the turbine and, consequently, the electrical output. This ensures stable and consistent power generation.
Housing or Casing: Water turbines are enclosed in a housing or casing to protect the machinery and ensure efficient operation by maintaining a controlled flow of water onto the runner.
Types of Water Turbines:
Several types of water turbines exist, each designed for specific applications and water conditions. Common types include:
Impulse Turbines: These turbines operate based on the impact of high-velocity water jets on the runner's buckets. Examples include Pelton and Turgo turbines.
Reaction Turbines: These turbines operate using both the kinetic energy and pressure of water as it flows over the runner's blades. Examples include Francis and Kaplan turbines.
Applications of Water Turbines:
Hydropower Generation: Water turbines are a primary source of renewable energy, producing electricity for residential, industrial, and commercial use.
Irrigation: Water turbines are used to pump water for irrigation purposes, facilitating agricultural activities.
Industrial Processes: Water turbines are employed in various industrial processes, such as milling, paper production, and manufacturing.
Water Pumping: In regions with limited access to electricity, water turbines are used to power water pumps for clean water supply.
Wastewater Treatment: Turbines are used in wastewater treatment plants to mix and aerate sewage.
Water turbines are essential devices that harness the power of water for a wide range of applications, contributing to sustainable energy generation and efficient mechanical processes. Their efficiency and ability to generate electricity from flowing water make them an environmentally friendly and economically viable source of power.
RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle 500 ml with Screw Cap, RG-44037
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RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037
By RANDHAWA GLOBAL
₹400 - ₹1,297
You save ₹426!
28.42% OFF
The RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037 is a high-quality laboratory vessel designed for the storage and dispensing of various reagents, chemicals, and solutions. Crafted from durable borosilicate glass, this reagent bottle offers excellent chemical resistance and thermal stability, making it suitable for a wide range of laboratory applications. The bottle is equipped with a screw cap, providing a secure seal to prevent leakage and evaporation of the contents. The screw cap ensures a tight closure, preserving the integrity of the stored reagents and preventing contamination. With its transparent glass construction, the reagent bottle allows for easy visualization of the contents, facilitating quick identification and monitoring of reagent levels. The wide mouth design of the bottle enables convenient filling, pouring, and dispensing of liquids, enhancing workflow efficiency in the laboratory. Whether used in academic research laboratories, industrial settings, or pharmaceutical facilities, the RANDHAWA GLOBAL Borosilicate Glass Reagent Bottle with Screw Cap RG-44037 offers a reliable solution for the storage and handling of reagents and chemicals. Its durable construction, secure screw cap, and transparent design make it an essential tool for scientists, researchers, and laboratory technicians conducting experiments and processes requiring precise reagent handling.
green checkType of Product : Reagent Bottle
green checkColor : Transparent
green checkModel No : RG-44037
green checkMaterial : Borosilicate Glass 3.3
green checkIncluded Components : Screw Cap
green checkCap Color : Blue
RANDHAWA GLOBAL Variable Sliding Rheostat 1000 and 304.8 mm (12 Inch) Lerngth, RG-47062
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RANDHAWA GLOBAL Variable Sliding Rheostat 1000 and 304.8 mm (12 Inch) Lerngth, RG-47062
By RANDHAWA GLOBAL
₹2,123   ₹2,999
You save ₹876!
29.21% OFF
RANDHAWA GLOBAL Variable Sliding Rheostat 1000 Ω and 12 inch Lerngth, RG-47062 is a type of electrical resistor with a sliding contact that allows for the precise adjustment of electrical resistance within a circuit. Rheostats are used to control the flow of electric current in a circuit, making them valuable tools in electronics, electrical engineering, and physics experiments.
Key features and functions of a variable sliding rheostat:
Resistance Element: The core component of a rheostat is a resistive wire or strip, typically made of materials like nichrome, which has a high resistance to electrical current. This wire is wound around an insulating core, and its length determines the maximum resistance of the rheostat.
Sliding Contact: A sliding contact or wiper, usually in the form of a metal or carbon-coated slider, is connected to a knob or lever that the user can move along the resistive element. By adjusting the position of the slider, the user can change the length of wire in the circuit, thereby altering the overall resistance.
Variable Resistance: As the slider is moved along the resistive element, it makes contact with different portions of the wire, effectively increasing or decreasing the resistance in the circuit. This variability allows for precise control of the current flowing through the circuit.
Mechanical Construction: Variable sliding rheostats are often constructed with a housing that encloses the resistive wire, protecting it from physical damage and contamination. The knob or lever connected to the slider is easily accessible for users to adjust the resistance.
Applications of variable sliding rheostats:
Light Dimming: Rheostats are commonly used in lighting systems to adjust the brightness of incandescent or halogen lamps. By varying the resistance in the circuit, users can control the amount of current supplied to the lamp.
Heating Control: Rheostats are used in applications where precise temperature control is required, such as in electric stoves and heating elements. By adjusting the resistance, the level of heating can be regulated.
Voltage Control: In electronic circuits and experiments, rheostats are used to control the voltage applied to specific components or devices. This is important for adjusting the performance of electronic systems.
Scientific Experiments: Rheostats are valuable tools in physics and electrical engineering experiments for studying the behavior of circuits, resistance, and current flow. They provide a means to control and vary parameters in experiments.
Motor Speed Control: In some applications, rheostats can be used to control the speed of electric motors by adjusting the voltage and current supplied to them.
Educational Demonstrations: Rheostats are used in educational settings to teach students about electrical resistance, Ohm's law, and circuit control.
Overall, variable sliding rheostats are versatile devices that enable precise control of electrical resistance, making them essential components in various applications where regulation of current, voltage, or heat is necessary.
RANDHAWA GLOBAL Stainless Steel Tuning Fork with Tested Frequency, RG-9982 (Pack of 8 Pcs)
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RANDHAWA GLOBAL Stainless Steel Tuning Fork with Tested Frequency, RG-9982 (Pack of 8 Pcs)
By RANDHAWA GLOBAL
Pack of 8 piece
₹931   ₹1,099
You save ₹168!
15.29% OFF
RANDHAWA GLOBAL Stainless Steel Tuning Fork with Tested Frequency, RG-9982 (Pack of 8 Pcs) is a simple, fork-shaped metal device used to produce a specific musical note or sound of a known frequency when struck. It is a fundamental tool in acoustics, music, and various scientific applications due to its ability to produce a pure and consistent tone.
Key features and functions of a tuning fork:
Fork Shape: A tuning fork consists of a U-shaped metal bar with two prongs that are of equal length and thickness. The prongs are typically made of steel, aluminum, or other metals that can resonate when struck.
Frequency: Each tuning fork is precisely manufactured to vibrate at a specific frequency, which is usually indicated on the fork. Common frequencies range from a few hertz (Hz) to several thousand hertz, with A440 (440 Hz) being a standard reference frequency used in music tuning.
Sound Generation: To produce sound, you strike one of the prongs against a firm surface, causing it to vibrate back and forth. This vibration generates sound waves in the surrounding air, producing a distinct musical note with a well-defined frequency.
Pure Tone: Tuning forks are known for producing a nearly pure and sinusoidal tone, devoid of harmonics or overtones. This purity makes them valuable for precise frequency reference and pitch assessment.
Applications of tuning forks:
Musical Instrument Tuning: Tuning forks are used as reference tools for tuning musical instruments like pianos, guitars, violins, and other string instruments. Musicians compare the pitch of their instrument's strings to the known frequency of the tuning fork to achieve accurate tuning.
Pitch Reference: In music education and practice, tuning forks serve as pitch references during vocal training and ear training exercises, helping students develop their musical ear and intonation skills.
Vibration and Resonance Studies: In physics and engineering, tuning forks are used to investigate vibration, resonance, and frequency-related phenomena. They are employed in experiments to demonstrate resonance, study wave behavior, and measure the speed of sound in various materials.
Medical Assessment: Tuning forks are used in medical examinations, particularly in neurology, to assess a patient's hearing and vibratory sensation. They are essential tools for performing hearing tests, such as the Rinne and Weber tests.
Quality Control: In manufacturing and quality control processes, tuning forks can be used to calibrate and assess the performance of measuring instruments, such as accelerometers and vibration sensors.
Scientific Research: Tuning forks are utilized in scientific research for their precision in generating known frequencies, making them valuable in studies related to acoustics, wave propagation, and resonance.
Tuning forks remain indispensable tools in various fields due to their reliability in producing precise and consistent frequencies. Their pure, harmonic-free tones are fundamental for music tuning, scientific experimentation, medical assessments, and more.
RANDHAWA GLOBAL Round Base Test Tube without Marking with Cork Lid 18x150 mm (Pack of 20 Pcs)
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RANDHAWA GLOBAL Round Base Test Tube Cork Lid, 18x150 mm (Pack of 20 Pcs)
By RANDHAWA GLOBAL
Pack of 20 piece
₹483 - ₹542
You save ₹457!
45.75% OFF
The RANDHAWA GLOBAL Round Base Test Tube with Cork Lid comes in a pack of 20 pieces, each measuring 18x150 mm. These test tubes are essential tools for laboratory experiments, sample storage, and various scientific applications. Featuring a round base design, these test tubes provide stability when placed on flat surfaces, minimizing the risk of spills or accidents during handling. The cork lids included with each test tube offer a secure closure, helping to prevent contamination and evaporation of the contents. With dimensions of 18x150 mm, these test tubes offer ample space for holding liquid samples, reagents, or substances under investigation. The standardized size ensures compatibility with standard laboratory equipment, allowing for seamless integration into laboratory workflows and procedures. The pack of 20 pieces provides a convenient and cost-effective solution for laboratories requiring multiple test tubes for experiments or sample storage. Whether used in research laboratories, educational institutions, or industrial settings, these test tubes offer reliability, versatility, and convenience for a wide range of scientific applications. In summary, the RANDHAWA GLOBAL Round Base Test Tube with Cork Lid Pack of 20 Pcs is an essential component of any laboratory seeking to conduct experiments, store samples, and perform analyses. Its round base design, cork lid closure, and standardized dimensions make it a valuable tool for scientists, researchers, and students alike.
green checkDiameter : 18 mm
green checkColor : Transparent
green checkLength : 150 mm
green checkPackage Contains : 20 Pcs
green checkIncluded Components : Cork Lid
green checkPack of : 20 Piece
green checkThickness : 1.2 mm
RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Reagent Bottle, RG- 33904 (Pack of 4)
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RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Reagent Bottle, RG- 33904 (Pack of 4)
By RANDHAWA GLOBAL
Pack of 4 piece
₹2,359   ₹2,499
You save ₹140!
5.6% OFF
RANDHAWA GLOBAL Multi Capacity Borosilicate Glass Reagent Bottle, RG- 33904 (Pack of 4) is a type of laboratory glassware designed for the safe storage and dispensing of chemical reagents and solutions. These bottles play a crucial role in laboratories across various scientific disciplines, including chemistry, biology, and research. They are specifically designed to meet the stringent requirements of chemical storage and handling.
Key features and characteristics of reagent bottles include:
Material: Reagent bottles are typically made of high-quality borosilicate glass, which is resistant to chemical corrosion and thermal shock. This glass type ensures the integrity of the stored chemicals and prevents contamination.
Shape and size: These bottles are available in various shapes and sizes, including narrow-mouth and wide-mouth designs. The choice of bottle shape depends on the specific application and the ease of dispensing or pouring the reagent.
Stopper or cap: Reagent bottles are equipped with a stopper or screw cap made of materials such as glass, plastic, or rubber. These closures provide an airtight seal to prevent the escape of volatile substances and to maintain the purity and concentration of the reagent.
Labeling: To ensure proper identification, reagent bottles often have a label or an area for marking the contents, concentration, date of preparation, and other relevant information. Proper labeling is critical for laboratory safety and maintaining accurate records.
Graduations: Some reagent bottles come with graduated markings on the glass surface, allowing precise measurement of the volume of the reagent poured or dispensed.
Common uses of reagent bottles include:
Chemical storage: Reagent bottles are used to store a wide range of chemicals, including acids, bases, solvents, salts, and various reagents required for experiments and analysis.
Sample storage: In biological and chemical laboratories, reagent bottles are used to store biological samples, culture media, and reference standards.
Dilution and dispensing: Researchers use reagent bottles to dilute concentrated solutions and to dispense precise volumes of reagents during experiments.
Reagent handling: Reagent bottles with wide mouths are suitable for handling powders, crystals, and substances that need to be transferred into other containers or reaction vessels.
Chemical transport: These bottles are also employed for transporting small quantities of reagents safely between laboratory areas.
In summary, reagent bottles are essential laboratory containers designed to store, handle, and dispense chemical reagents and solutions. Their construction materials, sealing mechanisms, and labeling options are carefully chosen to ensure the safe and accurate handling of chemicals in laboratory settings, promoting both experimental success and safety.
RANDHAWA GLOBAL Glass Dropper 20 cm Length with Powerful Rubber Sucker, RG-7205 (Pack of 6 Pcs)
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RANDHAWA GLOBAL Glass Dropper 20 cm Length with Powerful Rubber Sucker, RG-7205 (Pack of 6 Pcs)
By RANDHAWA GLOBAL
Pack of 6 piece
₹388   ₹499
You save ₹111!
22.24% OFF
RANDHAWA GLOBAL Glass Dropper 20 cm Length with Powerful Rubber Sucker, RG-7205 (Pack of 6 Pcs) is a simple laboratory tool used for transferring small and precise volumes of liquids. It consists of a tube or a narrow cylinder with a tapered or pointed tip at one end and a squeezable bulb or piston at the other end. Droppers are commonly made of glass or plastic, and they come in various sizes to accommodate different volume requirements.
Key features and components of a dropper:
Tube or Cylinder: The main body of the dropper is a tube or cylinder that holds the liquid to be transferred. This tube is typically marked with volume graduations, allowing for accurate measurement of the liquid being dispensed.
Tip: The tip of the dropper is tapered or pointed to facilitate controlled and precise delivery of the liquid. It can come in various shapes and sizes depending on the specific application.
Bulb or Piston: At the opposite end of the tube, there is a squeezable bulb or piston. When the bulb is compressed or the piston is pushed, it creates a partial vacuum inside the tube, which draws the liquid up into the dropper.
Rubber or Plastic Components: The bulb and any seals or gaskets are typically made of rubber or plastic materials that are chemically resistant and airtight to prevent leakage.
Droppers are widely used in various laboratory, medical, and industrial applications, including:
Chemical and Biological Experiments: Droppers are used to transfer precise volumes of reagents, solutions, or biological samples in laboratory experiments, such as titrations, qualitative analysis, and DNA analysis.
Medicine and Healthcare: In medicine, droppers are used for administering liquid medications, especially for infants and young children. They allow for accurate dosing and ease of use.
Sample Handling: In analytical chemistry and microbiology, droppers are used to handle small liquid samples, such as for preparing microscope slides or conducting microbial tests.
Industrial Processes: Droppers find applications in various industries, including the food and beverage industry, where they are used for flavoring and quality control, as well as in the cosmetic industry for precise dispensing of skincare and beauty products.
Art and Craft: Artists and hobbyists use droppers for fine detailing and adding small amounts of paint or dye to their work.
Education: Droppers are commonly used in educational settings to demonstrate concepts like measurement, capillary action, and fluid dynamics.
The use of droppers allows for controlled and accurate liquid handling, reducing the risk of spillage, contamination, and imprecise measurements. They are essential tools in laboratories and various other fields where precision in liquid transfer is crucial.
RANDHAWA GLOBAL Optical Kit for Educational Purpose, RG-290031 (Pack of 7 Pcs)
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RANDHAWA GLOBAL Chemistry Lab Kit for Educational Purpose
By RANDHAWA GLOBAL
Pack of 7 piece
₹636 - ₹695
You save ₹263!
29.25% OFF
The RANDHAWA GLOBAL Chemistry Lab Kit for Educational Purposes is a comprehensive set of laboratory equipment and supplies designed to facilitate hands-on learning and experimentation in chemistry education. Tailored for educational use, this kit includes essential tools, apparatus, and materials necessary for conducting a wide range of chemistry experiments and demonstrations. The kit typically includes items such as: 1. Beakers: For mixing, heating, and holding liquids during experiments. 2. Test tubes: Used for holding small quantities of substances for observation and analysis. 3. Graduated cylinders: For accurate measurement of liquid volumes. 4. Glassware: Such as flasks, funnels, and pipettes for various laboratory procedures. 5. Chemicals: Basic chemicals and reagents required for performing common chemistry experiments. 6. Safety equipment: Including goggles, gloves, and lab coats to ensure safe experimentation. 7. Instruction manual: Providing guidelines, safety precautions, and experiment ideas for educators and students. The RANDHAWA GLOBAL Chemistry Lab Kit aims to enhance the learning experience by providing students with hands-on opportunities to explore fundamental concepts of chemistry, such as chemical reactions, stoichiometry, and properties of matter. By engaging in practical experiments, students can deepen their understanding of theoretical concepts and develop essential laboratory skills. This educational kit is suitable for use in schools, colleges, and educational institutions to support chemistry curricula and laboratory classes. It offers educators a convenient and comprehensive solution for conducting engaging and interactive chemistry lessons, fostering curiosity, critical thinking, and scientific inquiry among students.
green checkColor : Multicolor
green checkSuitable For : Educational Purpose
RANDHAWA GLOBAL Convex Concave Lens and Mirror Set 50 mm Dia, RG-99034 (Set of 4 Pcs)
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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.
RANDHAWA GLOBAL Staining Coplin Jar for Holding 5-10 Microscopic Slides, RG-3401 (Pack of 12 Pcs)
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RANDHAWA GLOBAL Staining Coplin Jar for Holding 5-10 Microscopic Slides, RG-3401 (Pack of 12 Pcs)
By RANDHAWA GLOBAL
Pack of 12 piece
₹825   ₹999
You save ₹174!
17.42% OFF
RANDHAWA GLOBAL Staining Coplin Jar for Holding 5-10 Microscopic Slides, RG-3401 (Pack of 12 Pcs) is a laboratory container specifically designed for staining biological specimens, typically in histology, microbiology, and other biological research and diagnostic applications. Staining is a common technique used to enhance the visibility and contrast of cells and tissues under a microscope. Coplin jars provide a convenient and controlled environment for staining slides or tissue sections.
Key features and functions of a staining Coplin jar:
Design: Staining Coplin jars are usually made of clear glass or durable plastic and have a square or rectangular shape. They are typically open at the top to allow easy placement and retrieval of slides.
Compartments: These jars typically feature multiple compartments or slots, each designed to hold one or more microscope slides vertically. The compartments ensure that the slides are immersed in the staining solution and prevent them from sticking together during the staining process.
Lid: A lid or cover is provided to seal the staining Coplin jar, preventing the evaporation of staining solutions and minimizing exposure to potentially hazardous chemicals. The lid also helps maintain a consistent temperature if the jar is placed on a hot plate or water bath.
Chemical Resistance: Staining Coplin jars are resistant to a wide range of chemicals commonly used in staining procedures, ensuring that they can safely contain various staining solutions without degrading or leaching chemicals.
Graduated Scales: Some Coplin jars feature graduated scales on the sides, allowing users to measure and pour staining solutions accurately.
Applications of staining Coplin jars:
Histochemistry: These jars are essential tools in histochemical staining procedures used to visualize specific chemical components within cells and tissues, such as proteins, enzymes, and nucleic acids.
Microbiology: In microbiology, staining Coplin jars are used for bacterial staining techniques like Gram staining, acid-fast staining, and capsule staining.
Cytology: Cytologists use these jars for staining cytological specimens, such as Pap smears, to detect abnormal cell changes indicative of diseases like cancer.
Immunohistochemistry: Immunohistochemical staining of tissue sections to identify specific antigens relies on staining Coplin jars to apply reagents like antibodies and chromogens to slides.
Special Stains: Staining Coplin jars are used for various special stains that highlight specific cell components or pathological changes in tissues, aiding in disease diagnosis.
In summary, a staining Coplin jar is a specialized laboratory container designed to facilitate the staining of microscope slides and tissue sections. It provides a controlled environment for immersing slides in staining solutions, ensuring that biological specimens are properly prepared for microscopic examination. These jars are crucial tools in histology, microbiology, and other biological disciplines, contributing to the accurate diagnosis and research of diseases and cellular structures.
RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG - 22098
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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.
RANDHAWA GLOBAL Milk Adulteration Test Kit for Laboratories, NCE-21
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RANDHAWA GLOBAL Milk Adulteration Test Kit for Laboratories, NCE-21
By RANDHAWA GLOBAL
₹4,719  
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.
RANDHAWA GLOBAL Glass Reagent Bottle 250 ml with Stopper, ‎RG- 500437 (Pack of 2 Pcs)
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RANDHAWA GLOBAL Glass Reagent Bottle 250 ml with Stopper, ‎RG- 500437 (Pack of 2 Pcs)
By RANDHAWA GLOBAL
Pack of 2 piece
₹660   ₹899
You save ₹239!
26.58% OFF
RANDHAWA GLOBAL Glass Reagent Bottle 250 ml with Stopper, ‎RG- 500437 (Pack of 2 Pcs) is a specialized laboratory container used for storing and dispensing chemicals, reagents, solvents, and other liquids used in scientific experiments, research, and chemical analysis. Reagent bottles are designed to meet specific requirements for the safe storage and handling of laboratory substances. Here's a detailed explanation of reagent bottles in 300 words:
Design and Characteristics:
Reagent bottles are typically made of glass or plastic, with glass being the preferred material for many chemicals due to its chemical resistance and durability.
Glass reagent bottles often have narrow necks and ground glass stoppers or screw caps that provide an airtight seal, preventing the escape of volatile or hazardous substances and minimizing contamination.
Plastic reagent bottles may have a variety of cap designs, including screw caps, snap caps, or dispensing closures with dropper tips.
Sizes and Capacity:
Reagent bottles come in various sizes, ranging from small volumes, such as 30 milliliters (mL) or 60 mL, to larger capacities, like 1 liter (L) or more.
The choice of bottle size depends on the specific needs of the laboratory, the quantity of reagents used, and storage requirements.
Labeling and Identification:
Proper labeling of reagent bottles is crucial to ensure accurate identification of contents and safety.
Labels should include information about the reagent's name, concentration, date of preparation, and any hazardous properties.
Types of Reagent Bottles:
Amber Reagent Bottles: These are made of amber-tinted glass and are used to protect light-sensitive substances from photodegradation.
Wide-Mouth Reagent Bottles: These have a larger opening for easy pouring and transfer of reagents.
Dropper Bottles: These have a built-in dropper tip for precise and controlled dispensing of small volumes of liquids.
Safety Coated Bottles: These glass bottles are coated with a protective plastic layer to minimize the risk of glass shattering in case of breakage.
Applications:
Reagent bottles are used in various scientific disciplines, including chemistry, biology, microbiology, and environmental science.
They are employed to store and dispense a wide range of reagents, including acids, bases, solvents, buffers, indicators, and more.
Reagent bottles are essential for accurate and safe chemical analysis, titration, and experimental procedures in laboratories.
Safety Precautions:
When handling reagent bottles, safety precautions, such as wearing appropriate personal protective equipment (PPE) and working in a well-ventilated area, should be observed.
Compatibility between the bottle material and the stored reagent should be considered to prevent chemical reactions or leaching.
In summary, reagent bottles are vital tools in laboratory settings, providing safe and efficient storage and dispensing of chemicals and reagents used in scientific research and analysis. Their design, material, and capacity are chosen based on the specific needs of the laboratory and the properties of the stored substances.
RANDHAWA GLOBAL Borosilicate Glass Beaker 100 ml with Graduation Marks, RG-44662
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RANDHAWA GLOBAL Borosilicate Glass 3.3 Beaker 100 ml with Graduation Marks RG-44662
By RANDHAWA GLOBAL
₹270 - ₹1,297
You save ₹2,729!
91% 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.
green checkCapacity : 100 ml
green checkModel No : RG-44662
green checkType of Product : Beaker
green checkMaterial : Borosilicate Glass 3.3
green checkColor : Transparent
green checkChemical Resistant : Yes
green checkGraduation : Yes
green checkApplication Area : Laboratories
green checkUsage For : Clinical, research and educational purpose
green checkBottom Type : Flat
RANDHAWA GLOBAL Copper Calorimeter in Wooden Box, RG-60098
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RANDHAWA GLOBAL Copper Calorimeter in Wooden Box, RG-60098
By RANDHAWA GLOBAL
₹919   ₹1,199
You save ₹280!
23.35% OFF
RANDHAWA GLOBAL Copper Calorimeter in Wooden Box, RG-60098 is a scientific instrument used to measure the heat of chemical reactions or physical processes. It works on the principle of the conservation of energy, which states that energy cannot be created or destroyed but can only change forms. Calorimeters are essential tools in chemistry, physics, and thermodynamics for studying the heat transfer associated with various reactions and processes.
Key components and principles of a calorimeter:
Calorimeter Vessel: The core of a calorimeter is a vessel or container where the chemical reaction or process takes place. This vessel is designed to isolate the reaction from the external environment to ensure accurate heat measurement. Common materials for the vessel include glass, metal, or plastic, depending on the application.
Thermometer: Calorimeters are equipped with a thermometer that measures temperature changes within the calorimeter. The thermometer is typically immersed in the reaction mixture or placed in close proximity to it.
Insulation: Calorimeters are well-insulated to minimize heat exchange with the surroundings. This insulation ensures that the heat measured by the calorimeter is primarily the result of the reaction or process occurring within the vessel.
Stirring Mechanism: Some calorimeters include a stirring mechanism to ensure uniform temperature distribution throughout the reaction mixture. This helps maintain accurate measurements, especially for reactions with temperature variations.
Calibration: Calorimeters must be calibrated to determine their heat capacity or calorimetric constant. This calibration allows researchers to account for the calorimeter's own heat exchange properties during experiments.
Calorimeters are used for various purposes, including:
Bomb Calorimetry: This technique measures the heat of combustion of a substance. A sample is burned within a bomb calorimeter, and the heat released is measured. Bomb calorimetry is commonly used in the study of fuels and calorific values.
Solution Calorimetry: In solution calorimetry, a reactant is dissolved in a solvent, and the heat exchange during dissolution is measured. This method is useful for studying reactions in solution, including dissolution and neutralization reactions.
Adiabatic Calorimetry: Adiabatic calorimetry measures heat changes in a calorimeter with excellent thermal insulation. This method is suitable for highly exothermic or endothermic reactions.
Reaction Calorimetry: Reaction calorimetry is used to study the heat of reaction in various chemical processes, such as synthesis reactions or phase transitions.
Biological Calorimetry: Calorimetry is also used in biology to measure the heat generated or absorbed during biochemical reactions, metabolic processes, and enzyme kinetics.
In summary, calorimeters are valuable tools for quantifying heat changes associated with chemical reactions or physical processes. They provide crucial data for understanding the thermodynamics of reactions, assessing the efficiency of energy conversion processes, and conducting research in various scientific fields.
RANDHAWA GLOBAL Stainless Steel Burette Stand with 18 inch SS Rod and Heavy Iron Base, RG-11091
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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.
RANDHAWA GLOBAL Borosilicate Glass Beaker 250 ml with Graduation Marks, RG-44662
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RANDHAWA GLOBAL Borosilicate Glass 3.3 Beaker 250 ml with Graduation Marks RG-44662
By RANDHAWA GLOBAL
₹329 - ₹2,241
You save ₹2,670!
89.03% OFF
The Randhawa Global Borosilicate Glass Beaker, featuring a capacity of 250 ml and equipped with graduation marks, designated as RG-44662, provides a reliable solution for various laboratory applications. Crafted from high-quality borosilicate glass, this beaker ensures excellent chemical resistance, thermal stability, and durability, making it suitable for a wide range of experimental and analytical tasks. The graduation marks etched onto the glass surface enable precise volume measurements, facilitating accurate sample handling and experimentation. This feature allows for easy monitoring and tracking of liquid levels, enhancing workflow efficiency and accuracy in laboratory settings. The RG-44662 borosilicate glass beaker from Randhawa Global meets stringent quality standards, ensuring reliable performance and durability in demanding laboratory environments. Its transparent design provides clear visibility of contents, enabling easy observation and analysis during experiments. In summary, the Randhawa Global Borosilicate Glass Beaker, 250 ml with Graduation Marks, RG-44662, serves as a dependable tool for precise liquid handling and measurement, making it an essential component in laboratory setups.
green checkCapacity : 250 ml
green checkModel No : RG-44662
green checkType of Product : Beaker
green checkMaterial : Borosilicate Glass 3.3
green checkColor : Transparent
green checkChemical Resistant : Yes
green checkGraduation : Yes
green checkApplication Area : Laboratories
green checkUsage For : Clinical, research and educational purpose
green checkBottom Type : Flat
RANDHAWA GLOBAL Borosilicate Glass Test Tube 34 mm x 150 mm with Cork, RG-22067 (Pack of 2 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass Test Tube 34 mm x 150 mm with Cork, RG-22067 (Pack of 2 Pcs)
By RANDHAWA GLOBAL
Pack of 2 piece
₹424   ₹699
You save ₹275!
39.34% OFF
RANDHAWA GLOBAL Borosilicate Glass Test Tube 34 mm x 150 mm with Cork, RG-22067 (Pack of 2 Pcs) is a cylindrical, transparent or translucent laboratory glassware commonly used in scientific experiments and research. It typically consists of a long, narrow tube with an open top and a rounded or flat bottom. Test tubes come in various sizes to accommodate different volumes of liquids or substances, ranging from a few milliliters to several milliliters.
Test tubes serve a wide range of functions in laboratories across various scientific disciplines. They are primarily used for holding, mixing, heating, and observing small quantities of liquids or solid samples. Their versatility makes them indispensable in chemistry, biology, medicine, and other scientific fields.
In chemistry, test tubes are often used for conducting chemical reactions on a small scale. Researchers can combine reagents, observe color changes, and measure reaction rates within these tubes. They are also suitable for heating substances over a Bunsen burner or in a water bath, thanks to their heat-resistant borosilicate glass construction.
In biology and microbiology, test tubes are utilized for culturing microorganisms, conducting tests, and performing various analytical procedures. They provide a controlled environment for growing bacteria, fungi, and other microorganisms. Test tubes can also be used for centrifugation to separate components of a solution based on density.
Moreover, test tubes play a crucial role in medical laboratories for collecting, storing, and analyzing blood, urine, and other bodily fluids. They are often used in conjunction with specialized equipment to perform diagnostic tests and detect diseases.
Test tubes can be capped with stoppers or sealed with other closures to prevent contamination and evaporation. Additionally, they are easy to label and organize, making them an essential tool for keeping track of numerous samples in a laboratory setting.
In summary, test tubes are fundamental laboratory tools that facilitate a wide range of scientific experiments and analyses. Their simplicity, versatility, and transparency make them indispensable for researchers in various disciplines, enabling the observation, manipulation, and examination of substances on a small scale.
RANDHAWA GLOBAL Borosilicate Glass Measuring Cylinder 250 ml for Measuring Liquids, RG-30029
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RANDHAWA GLOBAL Borosilicate Glass Measuring Cylinder for Measuring Liquids
By RANDHAWA GLOBAL
₹388 - ₹778
You save ₹46!
7.68% 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.
green checkColor : Transparent
green checkType of Product : Measuring Cylinder
green checkMaterial : Borosilicate Glass 3.3
green checkGraduation : Yes
green checkChemical Resistant : Yes
green checkApplication Area : Laboratories
RANDHAWA GLOBAL Chrome Finish Analytical Weight Box 1 mg to 100 g, RG-33409
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RANDHAWA GLOBAL Chrome Finish Analytical Weight Box, RG-33409
By RANDHAWA GLOBAL
₹1,415 - ₹2,359
You save ₹584!
29.21% OFF
The RANDHAWA GLOBAL Chrome Finish Analytical Weight Box RG-33409 is an essential tool used in analytical laboratories for precise measurement and calibration purposes. This weight box is designed to store and organize a set of analytical weights with a chrome finish for added durability and resistance to corrosion. The analytical weights housed within the weight box are carefully calibrated to exacting standards, ensuring accuracy and reliability in measurements. They are commonly used in analytical balances and scales for precise weighing of substances in chemical and pharmaceutical laboratories, as well as in quality control and research facilities. The chrome finish of the weight box provides protection against rust and corrosion, maintaining the integrity of the analytical weights stored within. Additionally, the box is designed with compartments to securely hold each weight, preventing damage or loss during storage and transport. The RANDHAWA GLOBAL Chrome Finish Analytical Weight Box RG-33409 is an indispensable tool for scientists, researchers, and laboratory technicians requiring accurate and reliable measurements in analytical chemistry and other scientific disciplines. Its sturdy construction, corrosion-resistant finish, and organized storage design make it an essential component of any analytical laboratory setup.
green checkType of Product : Analytical Weight Box
green checkMaterial : Brass
green checkModel No : RG-33409
green checkColor : Silver
green checkAccuracy : 10 mg
green checkPackaging Type : Box
green checkFinishing : Chrome
green checkApplication Area : School and College Labs
RANDHAWA GLOBAL Test Tube Brush 150 mm for Cleaning, RG-33090 (Pack of 5 Pcs)
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RANDHAWA GLOBAL Test Tube Brush 150 mm for Cleaning, RG-33090
By RANDHAWA GLOBAL
Pack of 5 piece
₹199 - ₹459
You save ₹167!
37.19% OFF
The RANDHAWA GLOBAL Test Tube Brush, measuring 150 mm in length and designated as RG-33090, is specifically designed for cleaning test tubes in laboratory settings. Crafted with durable bristles and a sturdy handle, this brush provides effective cleaning action, ensuring thorough removal of residue and contaminants from the inner surface of test tubes. With its 150 mm length, this test tube brush offers sufficient reach to clean various sizes of test tubes effectively. The bristles are designed to reach into the corners and crevices of the test tubes, ensuring comprehensive cleaning without causing damage to the glassware. The RG-33090 test tube brush from RANDHAWA GLOBAL meets stringent quality standards, ensuring reliable performance in laboratory environments. Its durable construction and effective cleaning capabilities make it an essential tool for maintaining cleanliness and hygiene in laboratory settings. In summary, the RANDHAWA GLOBAL Test Tube Brush, 150 mm in length, RG-33090, is a reliable and practical accessory for laboratory cleaning tasks, providing efficient cleaning of test tubes to ensure accurate and reliable experimental results.
green checkModel No : RG-33090
green checkType of Product : Test Tube Brush
green checkColor : White and Silver
green checkLength : 150 mm
green checkUsage For : Test Tube Cleaning
green checkApplication Area : Science Labs
green checkHandle Material : Metal
green checkBristles : Nylon
RANDHAWA GLOBAL Hydrometer, RG-33098 (Pack of 5 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass Hydrometer, RG-33098
By RANDHAWA GLOBAL
Pack of 5 piece
₹306 - ₹919
You save ₹292!
29.23% OFF
The RANDHAWA GLOBAL Hydrometer RG-33098 is a specialized instrument used for measuring the density or specific gravity of liquids. It consists of a weighted glass bulb with a graduated stem. When placed in a liquid, the hydrometer floats at a certain level depending on the density of the liquid. This particular hydrometer model, RG-33098, is designed for various applications across industries such as chemistry, brewing, winemaking, and automotive maintenance. It provides accurate readings, allowing users to assess the concentration of dissolved solids, monitor the sugar content in beverages, determine the alcohol content in alcoholic beverages, and check the state of battery electrolytes in automotive batteries. The hydrometer is easy to use, with clear markings on the graduated stem for easy reading of measurements. It is a valuable tool for quality control processes, laboratory experiments, and production monitoring in diverse industrial settings. Whether used in laboratories, production facilities, or educational institutions, the RANDHAWA GLOBAL Hydrometer RG-33098 offers reliability, accuracy, and ease of use. It provides essential data for ensuring product quality, conducting experiments, and maintaining process efficiency across various industries.
green checkType of Product : Density Hydrometer
green checkModel No : RG-33098
green checkColor : Transparent
green checkMaterial : Borosilicate Glass
green checkIncluded Components : Protector Case
green checkUsage For : Measuring Specific Gravity Heavy Liquid Density
RANDHAWA GLOBAL Flat Base Test Tube without Marking with Cork Lid 18x150 mm (Pack of 20 Pcs)
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RANDHAWA GLOBAL Flat Base Glass Test Tube Cork Lid, RG-8203 (Pack of 20 Pcs)
By RANDHAWA GLOBAL
Pack of 20 piece
₹601 - ₹730
You save ₹269!
26.93% OFF
The RANDHAWA GLOBAL Flat Base Glass Test Tube with Cork Lid RG-8203 comes in a convenient pack of 20 pieces. These test tubes are essential laboratory tools suitable for various scientific experiments, sample storage, and analysis. Featuring a flat base design, these test tubes offer stability when placed on surfaces, reducing the risk of spills or accidents during handling. The cork lids provided with each test tube ensure a secure closure, preventing contamination and evaporation of the contents. Each test tube in the pack is crafted from high-quality glass, ensuring durability and resistance to chemical reactions. This makes them suitable for a wide range of applications in research laboratories, educational institutions, and industrial settings. With the convenience of a pack of 20 pieces, laboratories have an ample supply of test tubes for conducting experiments or storing samples. The standardized dimensions of the test tubes allow for compatibility with standard laboratory equipment, facilitating seamless integration into laboratory workflows. In summary, the RANDHAWA GLOBAL Flat Base Glass Test Tube with Cork Lid RG-8203 Pack of 20 Pcs provides reliability, versatility, and convenience for laboratory work. Whether used for scientific experiments, sample storage, or analysis, these test tubes are indispensable tools for scientists, researchers, and students alike.
green checkDiameter : 18 mm
green checkColor : Transparent
green checkLength : 150 mm
green checkPackage Contains : 20 Pcs
green checkIncluded Components : Cork Lid
green checkPack of : 20 Piece
green checkThickness : 1.2 mm
RANDHAWA GLOBAL Stainless Steel Vernier Caliper and Screw Gauge Micrometer, RG-22001 (Pack of 2)
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RANDHAWA GLOBAL Stainless Steel Vernier Caliper and Screw Gauge Micrometer, RG-22001 (Pack of 2)
By RANDHAWA GLOBAL
Pack of 2 piece
₹542   ₹999
You save ₹457!
45.75% OFF
RANDHAWA GLOBAL Stainless Steel Vernier Caliper and Screw Gauge Micrometer, RG-22001 (Pack of 2) is a fixed, graduated ruler with both metric and imperial units. The Vernier scale is a sliding scale with finer divisions that moves parallel to the main scale.
Measurement: To measure an object's length or width, the user places it between the caliper's jaws and gently closes them. The main scale reading is taken from the point on the main scale that aligns with the zero mark on the Vernier scale. Simultaneously, the Vernier scale is observed, and the mark on the Vernier scale that lines up with a mark on the main scale is noted. This alignment represents the fraction of the smallest division on the main scale, which is added to the main scale reading to determine the precise measurement.
Accuracy: Vernier Calipers offer high accuracy and are capable of measuring to within 0.02 millimeters or 0.001 inches.
Applications: They are widely used in mechanical engineering, manufacturing, and scientific research for measuring lengths, thicknesses, and diameters of objects.
Screw Gauge Micrometer:
Structure: A Screw Gauge Micrometer consists of a C-shaped frame with a spindle and anvil. The spindle is a finely threaded rod attached to the thimble, while the anvil is a flat surface opposite the spindle. The barrel contains the graduated scale.
Measurement: To measure the thickness or diameter of an object, the user places the object between the spindle and the anvil and gently turns the thimble. As the thimble rotates, the spindle moves toward the anvil, capturing the object's dimensions. The measurement is read from the barrel's scale and the thimble's scale. The barrel's scale provides a coarse measurement, while the thimble's scale offers finer divisions. The combination of these two readings gives the precise measurement.
Accuracy: Screw Gauge Micrometers are highly accurate instruments, often capable of measuring to within 0.01 millimeters or 0.0001 inches.
Applications: They are commonly used in engineering, machining, and metrology for measuring the thickness of materials, the diameter of small parts, and the depth of holes.
In summary, both Vernier Calipers and Screw Gauge Micrometers are essential precision measuring tools that offer accurate measurements of length, thickness, and diameter. While they have different structures and methods of measurement, they serve similar purposes in various applications, ensuring precise and reliable measurements in fields where precision is paramount.
RANDHAWA GLOBAL Tapered Wooden Stopper Cork Size No. 16 for Bottles, ‎RG-12221 (Pack of 10 Pcs)
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RANDHAWA GLOBAL 34.9 mm Tapered Wooden Stopper Cork Size No. 16 for Bottles RG-12221
By RANDHAWA GLOBAL
Pack of 10 piece
₹589 - ₹1,084
You save ₹1,292!
64.63% OFF
The Randhawa Global 34.9 mm Tapered Wooden Stopper Cork, identified as Size No. 16 for Bottles within the RG-12221 model, offers a reliable sealing solution for bottles. Crafted from high-quality wood and tapered to fit securely into bottle openings, this cork stopper ensures a tight seal, effectively preserving the freshness and integrity of the bottle's contents. With a diameter of 34.9 mm, this cork stopper is specifically designed to accommodate bottles of various sizes, providing versatility for different packaging needs. Its Size No. 16 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 not only serves a practical purpose but also 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 34.9 mm Tapered Wooden Stopper Cork, Size No. 16 for Bottles, RG-12221, delivers a dependable sealing solution that maintains the freshness and quality of bottled contents.
green checkMaterial : Wooden
green checkColor : Light Brown
green checkSize : No. 16
green checkType of Product : Stopper Cork
green checkModel No : ‎RG-12221
green checkLength : 35 mm
green checkSuitable For : Bottles, Jars, DIY Crafts and Arts
green checkTop Diameter (mm) : 34.9 mm
green checkStyle : Tapered
green checkBottom Diameter (mm) : 27.4 mm
RANDHAWA GLOBAL Glazed Porcelain Evaporating Dish 75 mm Dia with Spout, RG-EDS (Pack of 2 Pcs)
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RANDHAWA GLOBAL Glazed Porcelain Evaporating Dish 75 mm Dia with Spout, RG-EDS
By RANDHAWA GLOBAL
Pack of 2 piece
₹447 - ₹601
You save ₹252!
36.05% OFF
The Randhawa Global Glazed Porcelain Evaporating Dish, with a diameter of 75 mm and equipped with a spout, designated as RG-EDS, provides a versatile solution for various laboratory applications. Crafted from high-quality glazed porcelain, this evaporating dish offers durability and resistance to chemical reactions, making it suitable for a wide range of experimental and analytical tasks. With its 75 mm diameter, this evaporating dish offers sufficient space for evaporation and concentration of solutions. The inclusion of a spout enables controlled pouring, facilitating precise transfer of liquids. The RG-EDS glazed porcelain evaporating dish from Randhawa Global meets stringent quality standards, ensuring reliable performance in demanding laboratory environments. Its robust design ensures durability for repeated use, while the glazed surface prevents absorption of liquids and simplifies cleaning. In summary, the Randhawa Global Glazed Porcelain Evaporating Dish, 75 mm Diameter with Spout, RG-EDS, serves as a versatile and dependable tool for various laboratory procedures, making it an essential component in laboratory setups.
green checkColor : White
green checkModel No : RG-EDS
green checkType of Product : Evaporating Dish
green checkMaterial : Porcelain
green checkApplication Area : Laboratories
green checkChemical Resistant : Yes
green checkDiameter : 75 mm
green checkBottom Type : Flat
green checkFinishing : Glazed
green checkDesign : Spouted
RANDHAWA GLOBAL Ohm's Law Apparatus Kit Model with Built In Power Supply and Rheostat, RG-94431
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RANDHAWA GLOBAL Ohm's Law Apparatus Kit Model with Built In Power Supply and Rheostat, RG-94431
By RANDHAWA GLOBAL
₹2,477   ₹2,999
You save ₹522!
17.41% OFF
RANDHAWA GLOBAL Ohm's Law Apparatus Kit Model with Built In Power Supply and Rheostat, RG-94431 is an educational and experimental tool used to demonstrate and understand Ohm's Law, a fundamental principle in electronics and electrical engineering. Ohm's Law relates the voltage (V), current (I), and resistance (R) in an electrical circuit and is expressed by the equation V = I × R.
The kit typically consists of various components and instruments designed to perform experiments and verify Ohm's Law. Here are the key components and their functions:
Variable Power Supply: This is the source of electrical voltage (V) in the circuit. The power supply allows you to adjust and control the voltage applied to the circuit, which is essential for conducting experiments at different voltage levels.
Ammeter: The ammeter is used to measure electric current (I) in the circuit. It is connected in series with the components under study and provides readings in units like amperes (A) or milliamperes (mA).
Voltmeter: The voltmeter is used to measure voltage (V) across specific components or parts of the circuit. It is connected in parallel with the component of interest and provides voltage readings in volts (V).
Variable Resistor (Rheostat or Potentiometer): This component allows you to vary the resistance (R) in the circuit. By adjusting the resistance, you can observe how changes in resistance affect current and voltage in accordance with Ohm's Law.
Circuit Components: The kit includes various resistors, wires, and connectors to build and modify electrical circuits. These components are essential for constructing different circuit configurations to test Ohm's Law.
Using the Ohm's Law Apparatus Kit Model, students and learners can perform the following experiments and demonstrations:
Verification of Ohm's Law: By adjusting the voltage, measuring the current, and calculating resistance (V = I × R), users can verify that the relationship between voltage, current, and resistance follows Ohm's Law.
Resistance Measurement: Users can measure the resistance of unknown resistors using the kit and compare the results to their actual resistance values.
Series and Parallel Circuits: The kit can be used to build and analyze series and parallel circuits to understand how different configurations affect voltage, current, and resistance.
Graphical Representation: Students can plot voltage-current (V-I) graphs to visualize the linear relationship predicted by Ohm's Law.
Overall, the Ohm's Law Apparatus Kit Model is an essential educational tool for teaching and learning about Ohm's Law and fundamental electrical concepts. It provides a hands-on experience that helps students grasp the principles of voltage, current, and resistance in electrical circuits and their interplay as described by Ohm's Law.
RANDHAWA GLOBAL Centrifuge Machine 8 Test Tube Capacity for Milk Testing, RG-5502
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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.
RANDHAWA GLOBAL Copper Rain Gauge with Measuring Cylinder, RG-39402 (Pack of 3 Pcs)
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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.
RANDHAWA GLOBAL Equilateral Glass Prism 50x50 mm, RG-57002
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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.
RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG-93301 (Pack of 2 Pcs)
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RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG-93301
By RANDHAWA GLOBAL
Pack of 2 piece
₹825 - ₹4,011
You save ₹3,068!
76.72% OFF
The RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer RG-93301 is a precision instrument used for measuring the viscosity of fluids. Constructed from high-quality borosilicate glass, this viscometer is designed to provide accurate and reliable measurements in laboratory settings. The Ostwald viscometer operates on the principle of measuring the time it takes for a fixed volume of fluid to flow through a narrow capillary tube under the force of gravity. By observing the flow time and knowing the dimensions of the viscometer, the viscosity of the fluid can be determined using established formulas. With its borosilicate glass construction, this viscometer offers excellent transparency, allowing for easy observation of fluid flow. The high-quality glass material also ensures resistance to chemical corrosion and thermal shock, making the viscometer suitable for use with a wide range of fluids and under various temperature conditions. The RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer RG-93301 is commonly used in research laboratories, industrial facilities, and educational institutions for viscosity measurements in fluids such as oils, polymers, and solutions. Its precision design and reliable performance make it an essential tool for scientists, engineers, and researchers involved in fluid dynamics and rheological studies.
green checkType of Product : Ostwald Viscometer
green checkModel No : RG-93301
green checkMaterial : Borosilicate Glass 3.3
green checkColor : Transparent
green checkUsage For : Scientific Experiments
green checkApplication Area : School and College Labs
green checkPattern Type : College Pattern
RANDHAWA GLOBAL Polystyrene Specimen Jar 3x7 inch, RG-51103 (Pack of 6 Pcs)
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RANDHAWA GLOBAL 3x7 Inch Polystyrene Specimen Jar, RG-51103
By RANDHAWA GLOBAL
Pack of 6 piece
₹365 - ₹1,297
The RANDHAWA GLOBAL Polystyrene Specimen Jar RG-51103 is a versatile container designed for storing and preserving specimens in laboratory and medical settings. With dimensions of 3x7 inches, this specimen jar provides ample space for storing various types of specimens, such as tissues, samples, or small organisms. Crafted from durable polystyrene material, this specimen jar offers strength and durability, ensuring the safe containment of specimens. The polystyrene construction also provides excellent clarity, allowing for easy observation and identification of specimens stored within the jar. The RANDHAWA GLOBAL Polystyrene Specimen Jar RG-51103 is commonly used in biology laboratories, medical facilities, and educational institutions for specimen storage, organization, and display. Its compact size and sturdy construction make it a convenient and practical solution for laboratory specimen management. Overall, the RANDHAWA GLOBAL Polystyrene Specimen Jar RG-51103 offers reliability, durability, and clarity, making it an essential tool for scientists, researchers, and laboratory technicians involved in specimen handling and storage.
green checkType of Product : Specimen Jar
green checkModel No : RG-51103
green checkHeight : 7 inch
green checkColor : Transparent
green checkMaterial : Polystyrene
green checkDiameter : 3 inch
green checkWeight : 90 g
green checkApplication Area : Laboratories
RANDHAWA GLOBAL High Temperature Resistant Watch Glass 203.2 mm (8 Inch) Diameter, RG-88097 (Pack of 2 Pcs)
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RANDHAWA GLOBAL High Temperature Resistant Watch Glass 8 Inch Dia, RG-88097
By RANDHAWA GLOBAL
Pack of 2 piece
₹813 - ₹825
You save ₹2,186!
72.89% OFF
The RANDHAWA GLOBAL High Temperature Resistant Watch Glass, identified as RG-88097 and boasting a diameter of 6 inches, presents a sturdy solution for a myriad of laboratory and industrial applications. Crafted from premium-grade materials, this watch glass is purposefully engineered to endure high temperatures, rendering it suitable for environments necessitating heat-resistant properties. Featuring a 6-inch diameter, this watch glass furnishes a transparent and level surface, apt for covering containers or samples during experiments or processes involving elevated temperatures. Its capacity to withstand extreme heat ensures its structural integrity, offering reliable protection to the contents beneath. The RG-88097 watch glass from RANDHAWA GLOBAL adheres to stringent quality standards, ensuring consistent performance in demanding laboratory and industrial settings. Its robust construction and high-temperature resistant attributes make it indispensable for laboratory procedures, sample preparation, and scientific experiments requiring materials resilient to heat. In summary, the RANDHAWA GLOBAL High Temperature Resistant Watch Glass, boasting a diameter of 6 inches, RG-88097, stands as a dependable and durable accessory, furnishing clarity and protection during high-temperature applications in laboratories and industrial environments.
green checkType of Product : Watch Glass
green checkModel No : RG-88097
green checkSize : 200 mm
green checkMaterial : Glass
green checkColor : Transparent
green checkDiameter : 8 inch
green checkApplication Area : Laboratories
green checkShape : Round
green checkUsage For : Other Chemical Containers as Lid
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GENERIC 12A Compatible Toner Cartridge Black for HP LaserJet 1010 and 1020 Printer series, HP LaserJet 3015, 3020, 3030, 3050, 3050z, 3052, and 3055 All-in-One Printer series, and HP LaserJet M1005 mfp
2
₹424
Browsing History
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Top Selling RANDHAWA GLOBAL Products Price List for January 2026

Product Name Specifications Expected Price Dispatch Time Discount
RANDHAWA GLOBAL Non Mercury Thermometer -10 to 110°C for Lab and Industrial Use, RG- 99043 Color Yellow | Content Free Mercury ₹152 30 days 84.78% OFF
RANDHAWA GLOBAL Battery Hydrometer Tester for Checking Specific Gravity, ‎AMATEA060672 Color Black and Transparent | Hydrometer Range 1100-1200 ₹612 3 days 38.74% OFF
RANDHAWA GLOBAL Borosilicate Glass Measuring Cylinder 500 ml for Measuring Liquids, RG-49113 -- ₹778 4 days 22.12% OFF
RANDHAWA GLOBAL CE2 Protective Closed End Wire Crimp Cable Connector Cap, RG-38802 (Pack of 1000) -- ₹542 3 days 45.75% OFF
RANDHAWA GLOBAL Aspirator Bottle 20 L with Cap and Stop Cock for Chemistry Labs, RG-45112 Capacity 20 L | Color White ₹2,831 3 days 25.48% OFF
RANDHAWA GLOBAL Borosilicate Glass Graduated Conical Flask 100 ml for Labs, RG-98035 (Pack of 12) Chemical Resistant Yes | Color Transparent ₹1,167 3 days 41.62% OFF
RANDHAWA GLOBAL Borosilicate Glass 3.3 Ostwald Viscometer, RG - 22098 -- ₹553 3 days 38.49% OFF
RANDHAWA GLOBAL Buffer Powder with pH Value 7.0 for Chemistry Labs, ‎B44601 Item Form Powder | Ph Value 7 ₹565 3 days 5.68% OFF
RANDHAWA GLOBAL Stainless Steel Heavy Duty Tincture Press 1000 ml Capacity, RG-66031 Capacity 1 L | Color Multicolor ₹2,831 4 days 42.21% OFF
RANDHAWA GLOBAL Glazed Porcelain Evaporating Dish 100 mm Dia with Spout, RG-EDS (Pack of 2 Pcs) -- ₹483 3 days 30.9% OFF
This data was last updated on 28/01/2026
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