Grain size
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Compare modelsNTD 5,310
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The Bohlender PTFE Boiling Stones, 6mm, 500g are designed to prevent bubbling and bumping during boiling processes. Made from high-quality PTFE (polytetrafluoroethylene), these boiling stones offer excellent chemical resistance and can withstand temperatures ranging from -200°C to 250°C. They are ideal for use in laboratories requiring safe and efficient boiling of volatile liquids.
These boiling stones are essential for ensuring smooth and controlled boiling in various laboratory applications.
Manufacturer P/N
H 972-04
Part Number
6.056 597
Manufacturer
Bohlender
Grain size
6 mm
Manufacturer P/N
H 972-02
Part Number
6.205 176
Manufacturer
Bohlender
Grain size
4 mm
It are designed to prevent bubbling and bumping during boiling processes. Made from high-quality PTFE (polytetrafluoroethylene), these boiling stones offer excellent chemical resistance and can withstand temperatures ranging from -200°C to 250°C. They are ideal for use in laboratories requiring safe and efficient boiling of volatile liquids.
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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.
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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.
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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.
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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.
