Pyrex Volumetric Flask Class A 50ml

Class A volumetric flasks Base of each volumetric flask is laser etched with a unique batch number and date of manufacture that can be used to download a batch certificate Complies with ISO 1042 and DIN 12664 Manufactured from borosilicate glass 3.3 Calibrated to the tolerance ...Class A volumetric flasks Base of each volumetric flask is laser etched with a unique batch number and date of manufacture that can be used to download a batch certificate Complies with ISO 1042 and DIN 12664 Manufactured from borosilicate glass 3.3 Calibrated to the tolerance required by the United States Pharmacopoeia (USP) which is tighter than those of ISO/DIN standards With polyethylene stopper Inscriptions in white enamel 20mL and 5000mL sizes are supplementary to DIN range