Historical
ISO 6144:1981
Gas analysis -- Preparation of calibration gas mixtures -- Static volumetric methods
Describes principles for non continuous preparation of mixtures at or near atmosphere pressure and procedure for calculation of errors. Applies to mixtures in the range from 10-6 to 10 -1 (V/V) for which the relative uncertainty is between 10-3 and 10-2.
International Organization for Standardization [iso]