Ace Glass manufactures Class A volumetric flasks in clear and amber glass. The flasks are available with either a batch certificate or individual certificate. The batch certified flasks have a mean volume value and standard deviation documented for a batch. The individually certified flasks have the uncertainty measurement recorded for each flask. Both types of flasks meet ISO and DIN accuracy standards and have temperature resistance up to 250°C. Ace Glass provides volumetric flasks in a range of sizes from 1mL to 5000mL for measuring solutions.