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₹565   ₹599
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5.68% OFF
RANDHAWA GLOBAL Buffer Powder with pH Value 7.0 for Chemistry Labs, ‎B44601 is a substance used in chemistry to maintain the pH (acidity or alkalinity) of a solution at a relatively constant and specific value. Buffers are essential in various chemical and biological processes, as they help stabilize the pH level, preventing rapid or extreme changes that can affect the outcome of reactions. Here's a detailed explanation of buffer powder in 300 words:
Composition and Function:
Buffer powders are typically composed of two main components: a weak acid and its corresponding conjugate base (or a weak base and its corresponding conjugate acid).
When dissolved in water, these components react with hydrogen ions (H+) or hydroxide ions (OH-) to maintain the pH within a specific range.
The weak acid can neutralize excess hydroxide ions, while the conjugate base can neutralize excess hydrogen ions, preventing the pH from becoming too acidic or too alkaline.
pH Regulation:
Buffer solutions are particularly important in chemical and biological experiments where maintaining a specific pH is critical.
Biological systems, such as the human body, rely on buffers to maintain stable pH levels within narrow ranges to support enzymatic reactions and cellular functions.
In laboratories, buffer powders are used to create buffer solutions with known pH values, which are then added to reactions to control the pH and ensure reliable results.
Applications:
Buffers are used in various scientific fields, including biochemistry, molecular biology, and analytical chemistry.
They are used in enzyme assays, DNA and RNA isolation, cell culture, and electrophoresis to maintain the required pH for optimal reaction conditions.
Buffers are also used in pharmaceuticals, cosmetics, and food industries to control the pH of products and ensure their stability and effectiveness.
Preparation and Use:
Buffer powders are typically supplied in a dry form and need to be dissolved in a known volume of distilled or deionized water to create a buffer solution of a desired concentration.
The pH of the resulting buffer solution depends on the pKa of the weak acid-base pair and the ratio of the acid to the conjugate base.
Careful preparation is essential to ensure the accuracy and effectiveness of the buffer solution.
In summary, buffer powder is a chemical reagent used to prepare buffer solutions that help maintain a specific and stable pH in various chemical and biological processes. Buffers are crucial in scientific research, laboratory work, and industrial applications to ensure the reliability and consistency of experiments and products.
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Pack of 20 piece
₹1,651  
Lab Junction 250 ml 4.01 and 6.86 pH Buffer Powder for pH Meter LJ-111(k) Pack of 20 Pcs is a substance used in laboratory settings to prepare buffer solutions with a specific pH value. Buffer solutions are crucial in scientific research, industrial applications, and various analytical techniques where precise control of pH is essential.
The pH buffer powder typically consists of a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. These components work together to resist changes in pH when an acidic or basic substance is added to the solution. The buffer powder is formulated to have a specific pH value, which determines its effectiveness in maintaining that pH.
To prepare a buffer solution, the pH buffer powder is dissolved in a solvent, typically water, to form the desired concentration. The resulting solution is then used to stabilize the pH of other solutions or samples. The buffer solution helps maintain the pH within a narrow range, even in the presence of acids or bases.
pH buffer powder is available in a range of pH values, covering the entire pH scale. Common buffer systems include phosphate buffers, acetate buffers, citrate buffers, and Tris buffers. Each buffer system has a specific pKa value, which determines its buffering capacity within a certain pH range.
The pH buffer powder is carefully manufactured and quality-controlled to ensure accurate and reproducible results. It is important to follow the instructions provided by the manufacturer for the correct preparation and use of the buffer solution. This includes measuring the buffer powder accurately, using the appropriate solvent, and ensuring proper storage conditions to maintain the stability of the powder.
pH buffer powders find applications in various scientific fields, including chemistry, biology, biochemistry, and environmental science. They are utilized for calibrating pH meters and electrodes, preparing standard solutions, conducting experiments, and maintaining stable pH conditions during chemical reactions or biological assays.
In summary, pH buffer powder is a vital component in the preparation of buffer solutions with specific pH values. It consists of a mixture of weak acids and their conjugate bases or weak bases and their conjugate acids. The buffer powder is dissolved in a solvent to create a buffer solution, which resists changes in pH and maintains a stable pH environment. pH buffer powders are widely used in laboratory settings for pH calibration, buffer preparation, and maintaining precise pH conditions in various scientific and analytical procedures.
Pack of 10 piece
₹766  
Lab Junction 250 ml pH 4.01 at 25°C pH Buffer Powder for pH Meter LJ-111(M) Pack of 10 Pcs is a substance used in laboratory settings to prepare buffer solutions with a specific pH value. Buffer solutions are crucial in scientific research, industrial applications, and various analytical techniques where precise control of pH is essential.
The pH buffer powder typically consists of a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. These components work together to resist changes in pH when an acidic or basic substance is added to the solution. The buffer powder is formulated to have a specific pH value, which determines its effectiveness in maintaining that pH.
To prepare a buffer solution, the pH buffer powder is dissolved in a solvent, typically water, to form the desired concentration. The resulting solution is then used to stabilize the pH of other solutions or samples. The buffer solution helps maintain the pH within a narrow range, even in the presence of acids or bases.
pH buffer powder is available in a range of pH values, covering the entire pH scale. Common buffer systems include phosphate buffers, acetate buffers, citrate buffers, and Tris buffers. Each buffer system has a specific pKa value, which determines its buffering capacity within a certain pH range.
The pH buffer powder is carefully manufactured and quality-controlled to ensure accurate and reproducible results. It is important to follow the instructions provided by the manufacturer for the correct preparation and use of the buffer solution. This includes measuring the buffer powder accurately, using the appropriate solvent, and ensuring proper storage conditions to maintain the stability of the powder.
pH buffer powders find applications in various scientific fields, including chemistry, biology, biochemistry, and environmental science. They are utilized for calibrating pH meters and electrodes, preparing standard solutions, conducting experiments, and maintaining stable pH conditions during chemical reactions or biological assays.
In summary, pH buffer powder is a vital component in the preparation of buffer solutions with specific pH values. It consists of a mixture of weak acids and their conjugate bases or weak bases and their conjugate acids. The buffer powder is dissolved in a solvent to create a buffer solution, which resists changes in pH and maintains a stable pH environment. pH buffer powders are widely used in laboratory settings for pH calibration, buffer preparation, and maintaining precise pH conditions in various scientific and analytical procedures.
₹1,533  
TM Media TM 147 LACTOBACILLUS MRS BROTH (MRS BROTH) 100gm is a high-quality microbiological media that is used for the cultivation of Lactobacillus species. This media is composed of a complex mixture of nutrients that are essential for the growth and proliferation of Lactobacillus bacteria. The media is available in a 100gm pack and is suitable for use in both research and industrial applications.
The Lactobacillus MRS Broth is a selective and differential media that is used for the isolation and identification of Lactobacillus species from various sources. The media contains peptone, yeast extract, dextrose, and other essential nutrients that provide a rich source of energy and nutrients for the growth of Lactobacillus bacteria. The media also contains a pH indicator that changes color in response to the acid produced by Lactobacillus bacteria during fermentation.
The Lactobacillus MRS Broth is a versatile media that can be used for the cultivation of Lactobacillus species from various sources, including dairy products, fermented foods, and environmental samples. The media is also suitable for the cultivation of Lactobacillus bacteria from clinical specimens, such as blood, urine, and feces.
The Lactobacillus MRS Broth is easy to prepare and can be used for both qualitative and quantitative analysis of Lactobacillus bacteria. The media is also suitable for the detection of antibiotic resistance in Lactobacillus species, making it an essential tool for research and industrial applications.
In conclusion, TM Media TM 147 LACTOBACILLUS MRS BROTH (MRS BROTH) 100gm is a high-quality microbiological media that is essential for the cultivation and identification of Lactobacillus species. The media is easy to prepare, versatile, and suitable for use in both research and industrial applications. If you are looking for a reliable and efficient media for the cultivation of Lactobacillus bacteria, then the Lactobacillus MRS Broth is the perfect choice for you.
₹1,120  
for isolation and enumeration of yeasts and molds from dairy and other food products.
TM Media TM 344 POTATO DEXTROSE AGAR 100gm is a high-quality culture medium that is used for the isolation and cultivation of fungi and yeasts. This medium is composed of potato infusion, dextrose, and agar, which provide essential nutrients for the growth of microorganisms.
The potato infusion in this medium provides a rich source of carbohydrates, amino acids, and vitamins that support the growth of fungi and yeasts. Dextrose, on the other hand, is a simple sugar that serves as an energy source for microorganisms. Agar is added to the medium to provide a solid surface for the growth of microorganisms.
This medium is particularly useful for the isolation and identification of fungi and yeasts from food, water, and environmental samples. It is also used for the detection of spoilage organisms in food and beverages.
TM Media TM 344 POTATO DEXTROSE AGAR 100gm is available in a convenient 100gm pack size, which is sufficient for the preparation of 500ml of medium. The medium is easy to prepare and can be sterilized by autoclaving or filtration.
To prepare the medium, simply add the contents of the pack to 500ml of distilled water and heat until the medium dissolves completely. Sterilize the medium by autoclaving at 121°C for 15 minutes or by filtration using a 0.22μm filter.
This medium is manufactured by TM Media, a leading supplier of culture media and microbiology products. TM Media has a reputation for producing high-quality products that meet the needs of microbiologists and researchers worldwide.
In conclusion, TM Media TM 344 POTATO DEXTROSE AGAR 100gm is a reliable and effective culture medium that is widely used for the isolation and cultivation of fungi and yeasts. Its high-quality composition and ease of use make it an essential tool for microbiologists and researchers in various fields.
₹1,049  
The Lab Junction 6.86 and 4.01 pH Buffer Powder for pH Meter with 250 ml Bottle LJ-111(W) is a set of pH buffer powders designed to calibrate and maintain the accuracy of pH meters. It includes two bottles of buffer powder with pH values of 6.86 and 4.01, respectively, providing reliable reference points for pH measurements.
pH buffer solutions are essential for pH meters as they serve as reference points to ensure accurate readings. The LJ-111(W) set offers two commonly used pH values to cover a broad range of pH measurements. The pH 6.86 buffer is typically used for calibrating pH meters in neutral to slightly alkaline solutions, while the pH 4.01 buffer is suitable for acidic solutions.
The buffer powders are conveniently packaged in 250 ml bottles, providing enough volume for multiple calibrations. To prepare the buffer solutions, users simply need to dissolve the appropriate amount of powder in distilled water, following the instructions provided.
Calibrating a pH meter using the LJ-111(W) buffer set is a straightforward process. Users start by rinsing the pH electrode with distilled water and then immerse it in the pH 6.86 buffer solution. The pH meter is then adjusted to read the pH value of the buffer solution. Next, the electrode is rinsed again and immersed in the pH 4.01 buffer solution, and the pH meter is adjusted accordingly. This two-point calibration ensures accurate measurements across a wide pH range.
Regular calibration using pH buffer solutions is crucial to maintain the accuracy of pH meters over time. Environmental factors, electrode aging, and usage can all affect the performance of the pH meter, and calibration with reliable buffer solutions helps correct any deviations and ensure precise measurements.
The Lab Junction 6.86 and 4.01 pH Buffer Powder for pH Meter with 250 ml Bottle LJ-111(W) is a practical and cost-effective solution for pH meter calibration. It allows users to perform accurate and reliable pH measurements in various applications, including scientific research, environmental monitoring, water analysis, and quality control processes.
₹365  
The Lab Junction 4.01 and 6.86 pH Buffer Powder are essential products used for the calibration of pH meters in laboratory settings. pH meters are widely employed in various scientific disciplines, including chemistry, biology, environmental science, and pharmaceutical research, to measure the acidity or alkalinity of solutions accurately.
The pH buffer powders provide standardized reference solutions with known pH values that serve as calibration points for pH meters. The Lab Junction offers two commonly used pH buffer powders: one with a pH value of 4.01 and the other with a pH value of 6.86. These values represent acidic and slightly acidic pH levels, respectively, and are frequently used in calibration procedures.
The pH buffer powders are formulated with high precision and purity to ensure accurate and reliable calibration results. They are designed to dissolve easily in deionized water, allowing for the preparation of stable and homogeneous pH buffer solutions. The use of pH buffer powders eliminates potential variations and uncertainties associated with liquid buffer solutions, providing consistent and reproducible calibration standards.
To calibrate a pH meter using the Lab Junction pH buffer powders, the powders are dissolved in deionized water according to the manufacturer's instructions. The resulting buffer solutions are then used to adjust and verify the accuracy of the pH meter. The pH meter readings are compared to the known pH values of the buffer solutions, and any deviations are adjusted through the calibration process.
Regular calibration of pH meters is essential to maintain their accuracy and reliability. pH values can drift over time due to environmental factors and instrument aging. By calibrating the pH meter with the Lab Junction buffer powders, researchers and scientists can ensure that pH measurements are precise and consistent, thereby enhancing the quality of their experimental results.
It is important to note that the Lab Junction pH buffer powders should be handled with care to avoid contamination and moisture absorption. The powders should be stored in a cool, dry place and sealed tightly to prevent exposure to humidity and atmospheric moisture, which can affect their accuracy.
In summary, the Lab Junction 4.01 and 6.86 pH Buffer Powders are essential tools for the calibration of pH meters in laboratories. Their high precision, ease of use, and compatibility with pH meters make them reliable products for achieving accurate and reliable pH measurements. By providing standardized pH reference solutions, these buffer powders contribute to the quality control, accuracy, and reproducibility of pH measurements in various scientific and research applications.
₹636  
for sterility testing and cultivation of fastidious and nonfastidious microorganisms.
ROTH AGAR)
TM Media TM 332 SOYA CASEIN DIGEST MEDIUM is a highly specialized and reliable culture medium used for the detection and enumeration of antibiotic-producing microorganisms. It is also known as Antibiotic Assay Medium No. 37 and is a modified version of Tryptone Soya Broth (TSB) or Tryptone Soya Agar (TSA).
The medium is composed of a blend of enzymatic digests of soybean meal and casein, which provide a rich source of amino acids, peptides, and other nutrients essential for bacterial growth. The addition of glucose and sodium chloride further enhances the growth of microorganisms, while the pH indicator phenol red helps to monitor the pH changes during the growth of bacteria.
TM Media TM 332 SOYA CASEIN DIGEST MEDIUM is particularly useful for the detection and quantification of antibiotic-producing microorganisms, such as Streptomyces, Bacillus, and Pseudomonas species. These microorganisms are known to produce a wide range of antibiotics, including penicillin, streptomycin, tetracycline, and erythromycin, which are widely used in the treatment of bacterial infections.
The medium is also used for the screening of environmental samples, such as soil, water, and food, for the presence of antibiotic-producing microorganisms. It is a highly sensitive and selective medium that can detect even low levels of antibiotic-producing microorganisms in complex samples.
TM Media TM 332 SOYA CASEIN DIGEST MEDIUM is available in both liquid and solid forms. The liquid medium is used for the cultivation of microorganisms in suspension, while the solid medium is used for the isolation and enumeration of microorganisms on the surface of the agar.
In conclusion, TM Media TM 332 SOYA CASEIN DIGEST MEDIUM is a highly specialized and reliable culture medium that is widely used in the pharmaceutical, biotechnology, and food industries for the detection and quantification of antibiotic-producing microorganisms. Its high sensitivity and selectivity make it an essential tool for the screening of environmental samples for the presence of antibiotic-producing microorganisms.
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₹44,099 ₹54,600
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Top Selling Analytical Reagents Products Price List for December 2025

Product Name Specifications Expected Price Dispatch Time Discount
Lab Junction 4.01 and 6.86 pH Buffer Powder for Calibration of pH Meter Color White | Ideal For Calibration of pH Meter and pH Tester at 25C ₹365 3 days --
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
TM Media 1224 YEAST EXTRACT POWDER TYPE-I 500gm -- ₹2,241 3 days --
TM Media 1201 AGAR AGAR POWDER 100gm Quantity 100gm ₹1,769 4 days --
This data was last updated on 21/12/2025