4羟基1 3苯二磺酸检测标准

H-acid monosodium salt（1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)

Chemical reagent Arsenazo Ⅲ

1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)

H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)

Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 18: Determination of 1,2-dihydroxybenzene, 1,3-dihydroxybenzene, 1,4-dihydroxybenzene, 4,4-dihydroxybenzophenone and 4,4dihydroxybiphenyl in food simulants

Rubber antioxidant-2,4,6-Tris(N-1,4-dimethylpentyl-p-phenylenediamino)-1,3,5-triazine

Cosmetic raw materials. Sunscreens. Disodium salt of 2,2-bis-(1,4-phenylene)1H-benzimidazole-4,6-disulphonic acid.

SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).

Cosmetic raw materials. Sunscreens. Disodium salt of 2,2-bis-(1,4-phenylene)1H-benzimidazole-4,6-disulphonic acid. Determination of purity by liquid chromatography.

2,4-Diaminobenzenesulfonic acid sodium salt

4，4’-Sulfonyldiphenol（Bisphenol-S）

Commission Recommendation of 11 April 2006 on risk reduction measures for the substances: Dibutylphthalate; 3,4-Dichloroaniline; Di- isodecyl phthalate; 1,2-Benzenedicarboxylic acid, di-C 9-11 -branched alkyl esters, C 10 -rich; Di- isononyl phthalate; 1,2-Benzenedicarboxylic acid, di-C 8-10 -branched alkyl esters, C 9 -rich; Ethylenediaminetetraacetate; Methyl acetate; Monochloroacetic acid; n-Pentane; Tetrasodium ethylenediaminetetraacetate (Te

Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.