ISO/DIS 6974-4

Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 4: Guidelines and requirements for gas analysis

General information

Current stage: 40.99 Effective date: Nov 27, 2025

Originator: ISO

Owner: ISO/TC 193/SC 1

Type: International Standard

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
ISO 6975:1997

PUBLISHED
ISO 6974-4:2000

PUBLISHED
ISO 6974-6:2002

PUBLISHED
ISO 6974-6:2002/Cor 1:2003

PUBLISHED
ISO 6974-5:2014

NOW

IN_DEVELOPMENT
ISO/DIS 6974-4
40.99 Full report circulated: DIS approved for registration as FDIS
Nov 27, 2025