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ISO 6841:1988

Surface active agents — Technical straight-chain sodium alkylbenzenesulfonates — Determination of mean relative molecular mass by gas-liquid chromatography ISO 6841:1988

Publication date:   Jun 2, 1988

General information

90.20 Standard under periodical review   Apr 15, 2024

ISO

ISO/TC 91 Surface active agents

International Standard

71.100.40   Surface active agents

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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

WITHDRAWN
ISO 6841:1983

NOW

PUBLISHED
ISO 6841:1988
90.20 Standard under periodical review
Apr 15, 2024