Burette, Class AS, Clear, PTFE Stopcock, Capacity 25ml, Borosilicate Glass 3.3

burette made from ASTM E-438 TYPE 1 class A Borosilicate 3.3 heat resistant glass.
Conforms to ISO 385 and USP standards.
Calibrated to deliver (TD, EX) 20º C .
Printed in blue.
PTFE Key Stopcock.
With Batch Cer tificate