Abstract
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.
Next version under development

Draft
International StandardISO/DIS 6841
Surface active agents — Technical straight-chain sodium alkylbenzenesulfonates — Determination of mean relative molecular mass by gas-liquid chromatography
Reference number
ISO/DIS 6841
ISO/DIS 6841
Edition 1
© ISO 2026
Draft International Standard
ISO/DIS 6841
Surface active agents — Technical straight-chain sodium alkylbenzenesulfonates — Determination of mean relative molecular mass by gas-liquid chromatography
ISO/DIS 6841
ISO/DIS 6841
91624
CHF
67
Life cycle
-
Previously
WithdrawnISO 6841:1983
-
Now
-
Will be replaced by
Under developmentISO/DIS 6841