Volumetric flask, blue graduation, class A, batch certificate, with one graduation mark, polyethylene stopper, NS 14/23, 250 ml

Calibration is based on the poured in volume (“In”) at a +20°C reference temperature. The volume content tolerances conform to accuracy class A, the accuracy limits of the German weights and measures regulations and DIN and ISO specifications. Typical applications: precise measurement of specified liquid amounts, preparation and storage of standard solutions.