GB/T 33792-2017
2,4-Diaminobenzenesulfonic acid sodium salt
HG/T 5694\uff5e5697-2020
HG/T 5697-2020
p-Sodium sulphonate benzaldehyde
HG/T 4714-2014
GB/T 20200-2022
Sodium alpha-olefin sulfonate
HG/T 2746-2010
Sodium sulphanilate
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
DB37/T 2390-2013
HG/T 6224-2023
HG/T 5021-2016
Sodium sulfamate for industrial use
QB/T 1429-2013
Technical sodium alkane sulfonates
QB/T 5480-2020
Sodium Cocoyl Isethionte
GB/T 11989-2020
Surface active agents—Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives)
HG/T 5929\uff5e5930-2021
QB/T 4081-2010
Sodium fatty acid methyl ester sulfonate
HG/T 3387-2016
1-Naphthylamine-4-sulfonic acid sodium salt
GB/T 15437-1995
Ambient air--Determination of ozone--Indigo disulphonate spectrophotometry
QB 1429-1992
GB/T 20200-2006
Sodium alpha-olefin sulfonate
DB23/T 2077-2018