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

ISO-6841 - 2ND EDITION - CURRENT


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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.

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Document Number

ISO 6841:1988

Revision Level

2ND EDITION

Status

Current

Publication Date

June 1, 1988

Committee Number

ISO TC 91