PYREX® Kolmer Graduated Centrifuge Tube
Corning

As used in connection with the Wasserman test. Also used to measure water content and potassium ions in oil muds. API RP 13B standard testing method. Graduated in 0.1mL divisions up to 4mL and 0.2mL divisions from 4 to 10mL. Tolerances to 0.5mL ±0.02mL 0.5 to 2mL ±0.04mL over 2mL ±0.1mL. Graduations are durable white enamel.

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