The Bohlender b.safe Cap S40 with Stopcocks 2x UNF 1/4" is a high-quality laboratory screw cap designed for safe and precise fluid handling. Made from chemically resistant PPS, it features a freely movable PTFE insert and two UNF 1/4" female threads for connecting capillary tubing with an outer diameter of 3.2 mm. Each connection is equipped with an integrated stopcock, allowing for individual flow control. The cap also includes a b.safe air valve with a service life indicator for safe venting and pressure equalization. Additionally, it features an extra capillary connector on the bottom side of the lid, enhancing system flexibility.
Scope of Supply:
This cap is an essential solution for laboratories requiring secure, controlled, and customizable fluid connections for capillary systems.
Fittings, PFA, for Caps and Waste Caps
It is a high-quality laboratory screw cap designed for safe and precise fluid handling. Made from chemically resistant PPS, it features a freely movable PTFE insert and two UNF 1/4" female threads for connecting capillary tubing with an outer diameter of 3.2 mm. Each connection is equipped with an integrated stopcock, allowing for individual flow control. The cap also includes a b.safe air valve with a service life indicator for safe venting and pressure equalization. Additionally, it features an extra capillary connector on the bottom side of the lid, enhancing system flexibility.
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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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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.
SG $357.63
Inc. GST
