VWR® Class B Burets made from 3.3 expansion Borosilicate glass
Burets are supplied with a chemically-resistant, self-lubricating PTFE stopcock plug
Used primarily for titration, to deliver one reactant until the precise endpoint reached
Calibration and tolerances per ASTM E287, ASTM E542, ASTM E694, and ISO 385 Standards
The graduations are typically calibrated "To Deliver" (marked "TD" or "EX") at 20 to 27 °C and indicated correspondingly on a label. Individually certified products.
These Burettes are calibrated to deliver a precise volume at a particular temperature.
