Corning Pyrex 10 ml Kolmer Graduated Centrifuge Tube With Beaded Rim

These 10 mL PYREX conical centrifuge tubes are used in connection with the Wasserman test. Also used to measure H₂O content and potassium ions in oil muds. API RP 13B standard testing method. They are graduated in 0.1 mL divisions up to 4 mL, and 0.2 mL divisions from 4 to 10 mL. Tolerances: to 0.5 mL ±0.02 mL; 0.5 to 2 mL ±0.04 mL; over 2 mL ±0.1 mL. Graduations are durable white enamel.