GB/T 13530.3-1992
Sodium ethoxylated alkyl sulfate—Determination of the mean relative molecular mass
GB/T 11988-1989
Surface active agent—Technical alkane sulfonates—Determination of mean relative molecular mass and content of alkane monosulfonates
GB/T 5178-1985
Determination of mean relative molecular mass for technical straight-chain sodium alkylbenzenesulphonates —Gas-liquid chromatographic method
EN ISO 6845:2003