The Retsch Universal Hopper, with Plastic Plunger is designed for use with the SM 200 and SM 300 cutting mills. This accessory facilitates the efficient feeding of various sample materials into the mill, ensuring consistent and controlled processing. The plastic plunger aids in safely guiding samples into the milling chamber, enhancing user safety and operational efficiency.
This universal hopper with plastic plunger enhances the performance and safety of your Retsch cutting mills, providing reliable and efficient sample processing for various laboratory applications.
It is designed for use with the SM 200 and SM 300 cutting mills. This accessory facilitates the efficient feeding of various sample materials into the mill, ensuring consistent and controlled processing. The plastic plunger aids in safely guiding samples into the milling chamber, enhancing user safety and operational efficiency.
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7 mins 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.
7 mins 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.
9 mins 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.
9 mins 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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6 mins 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.
