Published
PUBLISHED
ISO 6142-1:2015
PUBLISHED
ISO 6142-1:2015/Amd 1:2020
60.60
Standard published
Dec 18, 2020
Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures - Amendment 1: Corrections to formulae in Annex E and Annex G
30.99 CD approved for registration as DIS