Burettes - Schellbach Glass with PTFE key Stopcock Class A 50 ml & individual work certificates , 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, it is autoclavable and offers excellent durability and chemical resistance. The burette 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. It also features an attached PTFE straight bore stopcock. Built to last, this burette has a white backing with a central blue line running the outside length of the tube opposite the graduations, making it easy to visualize the meniscus. The straight bore, PTFE key stopcock allows for precise control of liquid flow, and the blue markings provide excellent contrast against clear liquids. Calibrated to deliver accurate results, this burette meets Class A, DIN ISO 385 standards with 0.1mL graduations and ±0.05mL tolerance. It comes with a calibration certificate from an ISO-accredited laboratory. The burette measures 31.5" long with a 14mm (0.6") outer diameter. Autoclavable, it offers superior chemical durability and can withstand high temperatures and thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point 515°C, Annealing Point 565°C, and Softening Point 820°C.