DB37/T 2390-2013
HG/T 3387-2016
1-Naphthylamine-4-sulfonic acid sodium salt
HG/T 2895-2012
HG/T 3387-2009
HG/T 3387-1999
1-Naphthylamine-4-Sulfonic Acid Sodium Salt
T/CRIAC 0057-2021
HG/T 2895-2005
Bromaminic acid,sodium salt (1-Amino-4-bromoanthraquinone-2-Sulfonic acid,sodium salt)
HG/T 2895-1997
GB/T 16123-1995
Workplace air—Determination of methyl iodide—1,2-naphthaquinone-4-sodium sulfonate spectrophotometric method
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).