Specifications
₹67,847.64
Inc. GST
The DWK Wheaton Counting Vials 20 mL without Closure (22-400) are designed for precise sample storage and counting in laboratory environments. These high-quality glass vials are ideal for use in chemical, biological, and pharmaceutical applications, providing reliable storage and easy sample handling. The vials feature a 22-400 neck finish, designed for easy sealing with compatible closures. Supplied in a pack of 500, these vials are perfect for high-volume laboratory needs.
These counting vials offer superior durability and reliability, making them an essential item for laboratories needing high-quality storage solutions.
It are designed for precise sample storage and counting in laboratory environments. These high-quality glass vials are ideal for use in chemical, biological, and pharmaceutical applications, providing reliable storage and easy sample handling. The vials feature a 22-400 neck finish, designed for easy sealing with compatible closures. Supplied in a pack of 500, these vials are perfect for high-volume laboratory needs.
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1 min read
Cleaning laboratory glassware properly is essential for accurate, safe, and repeatable lab work. This guide explains how to remove stubborn residue from beakers, flasks, bottles, volumetric glassware, and other lab glassware, including grease, dried salts, biological residue, stains, and burnt deposits. It also covers safe cleaning methods, common mistakes, drying and storage tips, and when damaged glassware should be replaced.
1 min read
Pipette calibration helps laboratories confirm that liquid handling results remain accurate, repeatable, and traceable. This guide explains how pipettes are calibrated to ISO 8655 standards, including gravimetric testing, environmental control, correct tip selection, volume testing, calibration records, and common mistakes to avoid. It also covers when to use in-house calibration and when an external calibration service may be more suitable.
1 min read
A free molarity and dilution calculator covering four essential lab calculations: C1V1=C2V2 dilution (solve for any unknown), molarity from mass, mass from molarity, and serial dilution table generation. Includes worked examples, a concentration units guide and step-by-step preparation instructions for every result.
1 min read
Free online buffer preparation calculator. Select your buffer system, enter target pH, concentration and volume, and get an exact lab-ready recipe with reagent masses and step-by-step instructions. Covers PBS, Tris-HCl, sodium phosphate, acetate, HEPES, MOPS and more.
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1 min read
Laboratory balances are essential weighing instruments used to measure samples, reagents, powders, chemicals and materials with accuracy and consistency. They are commonly used in research, education, quality control, pharmaceutical testing, food testing, industrial laboratories and general scientific workflows.
₹67,847.64
Inc. GST
