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FprEN ISO 6974-4

Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 4: Guidelines and requirements for gas analysis (ISO/FDIS 6974-4:2026)

Publication date:   Feb 13, 2025

General information

45.99   Dispatch of FV draft to CCMC   May 7, 2026

CEN

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

European Norm

75.060   Natural gas

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Scope

This document gives guidance for obtaining the best analysis results possible from a Gas Chromatograph (GC) when analysing natural gas and natural gas substitutes for combined use with the most recent versions of ISO 6974’s part 1, 2 and 3. (Examples are given.)

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 6974-4:2001

NOW

IN_DEVELOPMENT
FprEN ISO 6974-4
45.99 Dispatch of FV draft to CCMC
May 7, 2026