Burettes-Schellbach Glass Key Stopcock Class A 50 ML With Individual Work certificate, Each

Details

Here is the corrected text: The 50mL capacity Schellbach Burette features a vertical white backing with a central blue line opposite the graduations, providing better contrast with the meniscus. Made of high-quality, heavy-duty borosilicate 3.3 glass, this burette is autoclavable and offers excellent durability and chemical resistance. It includes a calibration certificate from an ISO-accredited testing laboratory, certifying Class A accuracy with ±0.05mL tolerance as per DIN ISO 385 standards. The chemically resistant 0.1mL blue graduations and markings provide excellent contrast against clear liquids. This burette also features an attached glass key stopcock. Built to last, it measures 31.5 inches long with a 14mm (0.6 inch) outer diameter. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point 515°C, Annealing Point 565°C, and Softening Point 820°C.