DURAN® burettes are made of highly chemical resistant borosilicate glass 3.3 and are only used for titration. The quantity of liquid required for titration, which is unknown beforehand, can be precisely read off once the reaction is complete.Class AS. With straight standard taper joint stopcock and glass key, white inscription. With certificate of conformity and batch certificate.
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DWK Life Sciences Burettes, Amber Glass, Glass Key