GB/T 1648-2013
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
HG/T 4416-2012
GB/T 21896-2019
2-Naphthylamine-1,5-disulfonic acid (sulphonic Tobias acid )
GB/T 24415-2009
2-Naphthylamine-4,8-disulfonic acid (Amino C acid )
DB37/T 2390-2013
GB/T 1648-2007
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)
HG/T 3463-2000
Chemical reagent Arsenazo Ⅲ
DB37/T 2391-2013
GB/T 1648-2001
H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)
GB/T 21896-2008
2-Naphthylamine-1,5-disulfonic acid (Sulphonic Tobias acid )
T/QAS 086-2023
HG/T 5799\uff5e5802-2021
T/CAIA SH002-2014
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
MIL MIL-D-51412 Notice 3-Validation
Dye, Red, 2,5,2',5'-Tetramethyltriphenylmethane-4,4'-Diazo-Bis-Betahydroxynaphthoic Anilide