This Volumetric Flask meets ASTM-288 Class B Standard Specification for Laboratory Glass Volumetric Flasks. Includes fitted solid glass stopper. Features easy to read blue imprint and a single graduation line.
Capacity: 500 mL
Tolerance: ±0.400 mL
Stopper No: 19
Material: 3.3 Borosilicate Glass
Graduation: Single Line
Brand: EISCO LABS®
Class B—General purpose flasks are of the same basic design as Class A flasks. However, volumetric tolerances for Class B flasks shall be within twice the specified range allowed for Class A flasks.