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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

Jun 2, 1988

General information

90.92     Mar 14, 2025

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

WITHDRAWN
ISO 6841:1983

NOW

PUBLISHED
ISO 6841:1988
90.92 Standard to be revised
Mar 14, 2025

REVISED BY

IN_DEVELOPMENT
ISO/DIS 6841