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EN ISO 6143:2025/prA1

Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures — Amendment 1: Software B_LEAST – Performance check for non-linear model functions using alternative computer programs

General information

10.99   New project approved   Mar 4, 2026

CEN

CEN/TC 238 Test gases, test pressures, appliance categories and gas appliance types

European Norm

71.040.40   Chemical analysis

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 6143:2025

NOW

IN_DEVELOPMENT
EN ISO 6143:2025/prA1
10.99 New project approved
Mar 4, 2026