Kimble® KIMAX® Class A Micro Volumetric Flasks with [ST] Glass Pennyhead Stopper, Serialized and Certified, 28017A

These KIMAX® micro volumetric flasks are permanently marked with an individual serial number and supplied with a Certificate of Graduation Accuracy. Calibrated 'To Contain', there is a graduation ring blasted on the neck and a marking spot. A standard taper ground glass stopper is supplied with the flask. Cylindrical bodies allow for better mixing, draining and easy withdrawal of samples by pipet. This flask was designed from recommendations published by the Committee on Microchemical Apparatus of the Analytical Division, American Chemical Society, "Analytical Chemistry", 28, page 1993 (Dec. 1956) and according to ASTM Specification E237, Class A serialized requirements. Replacement stopper is 41900R.