Infoteenus
71 KEEMILINE TEHNOLOOGIA
Uued standardid
ISO 19229:2019/Amd 1:2026
Gas analysis — Purity analysis and the treatment of purity data — Amendment 1: Correction of Formula A.4
Käsitlusala: Amendment to ISO 19229:2019
Alusdokumendid:
Asendatud standardid
Kavandid
EN ISO 6142-1:2015/prA1
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 (ISO 6142-1:2015/Amd 1:2020)
Käsitlusala: Amendment to EN ISO 6142-1:2015
Alusdokumendid: ISO 6142-1:2015/Amd 1:2020; EN ISO 6142-1:2015/prA1