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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

Опште информације

40.60     14. 7. 2026.

ISO

ISO/TC 91

Međunarodni standard

71.100.40  

Apstrakt

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.

Životni ciklus

PRETHODNO

OBJAVLJEN
ISO 6841:1988

TRENUTNO

PROJEKAT
ISO/DIS 6841
40.60 Završetak javne rasprave
14. 7. 2026.