Analiza gasa — Pripremanje kalibracionih gasnih smeša — Gravimetrijska metoda - Izmena 1: Korekcije formule u Prilogu E i Prilogu G
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