DB34/T 2507-2015
DB34/T 2507-2015
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
DB34/T 2507-2015
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
DB34/T 2507-2015
DB34/T 2507-2015
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)
DB34/T 2507-2015
H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)
DB34/T 2507-2015
Chemical reagent Arsenazo Ⅲ
DB34/T 2507-2015
SODIUM 4 HYDROXY-1-NAPHTHALENE SULFONATE [NEVILLE AND WINTHERS ACID(SODIUM SALT)]
DB34/T 2507-2015
DB34/T 2507-2015
DB34/T 2507-2015
Cosmetic raw materials. Sunscreens. 5-phenylmethoxo-4-hydroxy-2-methoxysulfonic acid.
DB34/T 2507-2015
Cosmetic raw materials. 5-phenylmethoxo-4-hydroxy-2-methoxysulfonic acid.
DB34/T 2507-2015
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).