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ISO/DIS 6841

Surface active agents — Technical straight-chain sodium alkylbenzenesulfonates — Determination of mean relative molecular mass by gas-liquid chromatography

General information

40.20     Apr 20, 2026

ISO

ISO/TC 91

International Standard

71.100.40  

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Scope

A test portion is desulfonated in concentrated phosphoric acid medium and the liberated alkylbenzene is extracted with light petroleum. The mean relative molecular mass of the extracted alkylbenzene is determined chromatograhically. The mean relative molecular mass of the alkylbenzenesulfonate is calculated.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 6841:1988

NOW

PROJECT
ISO/DIS 6841
40.20 DIS ballot initiated: 12 weeks
Apr 20, 2026

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