GB/T 23671-2023
2-Hydroxy-6-naphthoic acid
GB/T 1648-2013
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
HG/T 3957-2007
2-Naphthylamine-6-sulfonic acid(Broemer acid)
GB/T 23671-2009
2-Hydroxy-6-naphthalene carboxylic acid
HG/T 3956-2016
2-Naphtylamine-3,6,8-trisulfonic acid (Amino K-acid)
T/ZZB 0704-2018
HG/T 3463-2000
Chemical reagent Arsenazo Ⅲ
HG/T 3956-2007
2-Naphthylamine-3,6,8-trisulfonic acid(Amino K-acid)
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).