RBCHEM 50ml Burette Borosilicate Burette Screw Type Rotaflow Stopcock Buret  (50 L)

Borosil Borosil Burettes, Boroflo fitted with Boroflo General Purpose Screw Thread PTFE Keys Accuracy as per Class A, ASTM E287-2 with Batch Certificate 25 mL Borosilicate 3.3 CS/ 10 Material: 3.3 Borosilicate Glass Capacity: 50mL Color: Clear Overall Dimension: 24.02" L x 16.14" W x 3.35" H Graduation Color: Ceramic White Class/Quality Grade: Type 1, Class A Boroflo stopcocks have PTFE keys which do not require greasing This PTFE keys provide best drop control during titration process Due to unique needle shape of PTFE key, valve can be closed with gentle turn