BURETTE W/PTFE KEY STCK CLASS A 50ML

Details

Here is the corrected text: VWR Burets are made from Borosilicate 3.3 glass, conforming to ASTM 438 Type 1, Class A standard. The graduations are typically calibrated "to deliver" (marked "TD" or "EX") at 20 to 27 °C and correspondingly indicated on a label. These serialized, individually certified products are designed to deliver a precise volume at a particular temperature. Features: * Supplied with a chemically-resistant, self-lubricating PTFE stopcock plug * Used primarily for titration, delivering one reactant until the precise endpoint is reached Calibration and tolerances conform to ASTM E287, ASTM E542, ASTM E694, and ISO 385 Standards. Available capacities: * 100 ml (Cat. No.: 75997-912, Tolerance: ±0.10 ml, Subdivisions: 0.2 mL, Ext.Ø: 17 mm) * 50 ml (Cat. No.: 75997-910, Tolerance: ±0.05 ml, Subdivisions: 0.1 mL, Ext.Ø: 13 mm) * 25 ml (Cat. No.: 75997-908, Tolerance: ±0.03 ml, Subdivisions: 0.1 mL, Ext.Ø: 10 mm) * 10 ml (Cat. No.: 75997-906, Tolerance: ±0.02 ml, Subdivisions: 0.05 mL, Ext.Ø: 10 mm) UL Listed: Yes