HG/T 3463-2000
Chemical reagent Arsenazo Ⅲ
HG/T 3463-2000
HG/T 3463-2000
Cosmetic raw materials. Sunscreens. 5-phenylmethoxo-4-hydroxy-2-methoxysulfonic acid.
HG/T 3463-2000
Cosmetic raw materials. 5-phenylmethoxo-4-hydroxy-2-methoxysulfonic acid.
HG/T 3463-2000
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
HG/T 3463-2000
HG/T 3463-2000