Volumetric flask class A with plastic stopper, 250 ml, mouth size 14/23, USP Premium Line, 2 pcs

Made of top quality 3.3 borosilicate glass. With plastic stopper. Designed according to ISO 1042, DIN 12664, USP standards and "Eichordnung" (the German Federal Weights and Measures Regulations). The conformity with "Eichordnung" is certified through the official German "H" sign on each flask according to DIN 12600 Calibrated to contain (TC, In). USP standards are more accurate than ISO 1042. Each flask has a batch number printed on the flask. Batch certificate included (to be downloaded free of charge here)

reference: VFH3-250-002, capacity: 250 ml, accuracy (ml): ± 0&comma:120, stopper: 14/23, pcs/pack: 2