Objavljen
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.
POVUČEN
ISO 6841:1983
OBJAVLJEN
ISO 6841:1988
90.92
Odluka o izmeni ili reviziji standarda
14. 3. 2025.
PROJEKAT
ISO/DIS 6841
Površinski aktivne materije - Tehnički linearni natrijum-alkilbenzensulfonati - Određivanje srednje relativne molekulske mase metodom gasno-tečne hromatografije (identičan sa ISO 6841:1988)
90.92 Odluka o izmeni ili reviziji standarda