GB/T 21896-2019
2-Naphthylamine-1,5-disulfonic acid (sulphonic Tobias acid )
GB/T 24415-2009
2-Naphthylamine-4,8-disulfonic acid (Amino C acid )
GB/T 1648-2013
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
HG/T 4416-2012
GB/T 21896-2008
2-Naphthylamine-1,5-disulfonic acid (Sulphonic Tobias acid )
HG/T 3463-2000
Chemical reagent Arsenazo Ⅲ
GB/T 1648-2007
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)
GB/T 1648-2001
H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)
T/QAS 086-2023
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
T/CAIA SH002-2014
MIL MIL-D-51412 Notice 3-Validation
Dye, Red, 2,5,2',5'-Tetramethyltriphenylmethane-4,4'-Diazo-Bis-Betahydroxynaphthoic Anilide
DB37/T 2390-2013
HG/T 3387-2016
1-Naphthylamine-4-sulfonic acid sodium salt
HG/T 2548-2020
Tobias acid (2-Amino-1-naphthalenesulfonic acid)
HG/T 3389-2010
1-Naphthlamine-8-sulfonic acid (Peric acid)
HG/T 3957-2007
2-Naphthylamine-6-sulfonic acid(Broemer acid)
HG/T 3956-2016
2-Naphtylamine-3,6,8-trisulfonic acid (Amino K-acid)
HG/T 3752-2014
6-NItro-1,2-azoxynaphthalene -4-sulfonic acid
HG/T 2076-2011