Class B Borosilicate Glass Burette with PTFE Stopcock, Blue Graduations Ceramic Labware_Beehive Shelves which is known to the

which is known to the State of California to cause cancer and birth defects or other reproductive harm

also used in electrochemistry and catalyst chemistry demonstrations

and contains four simulated blood samples for realistic replication of the blood typing procedure and safe classroom use

the finer-grained adsorbent for filtration through paper and Buchner setups where granular charcoal would clog the filtration

Class B Borosilicate Glass Burette with PTFE Stopcock, Blue Graduations Ceramic Labware_Beehive Shelves which is known to theBorosilicate glass burette with a PTFE plunger stopcock and high contrast blue graduations, meeting Class B tolerance per DIN ISO 385 for routine titrations.