Precision bore buret is permanently marked with an individual serial number and is traceable to NIST standards

·         Supplied with a Certificate of Graduation Accuracy

·         Easy-to-read durable white ceramic enamel scale

·         Funnel top accepts a one-hole #3 rubber stopper

·         Replacement 2 mm straight bore stopcock plug is 821001-0002

·         Supplied with a chemically-resistant, self-lubricating PTFE stopcock plug

·         Ref: ASTM Method D974

·         Manufactured to the specifications found in ASTM E694

·         Calibrated to the accuracy requirements found in ASTM Specification E542

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements