1氨基羟基苯检测标准

Feed additives—Part 1：Amino acids, their salts and analogues—Methionine hydroxy analogue

Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method

2－Amino-2-hydroxymethyl-1,3-propanediol

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

Chemical reagent Arsenazo Ⅲ

Silicate rocks—Determination of cobalt content—4-[(5-Chtoro-2-pyridyl)-azo]-1,3-diamino benzene photometric method

Methods for chemical analysis of iron ores The 4-[(5-chloro-2-phridyl)azo]-1,3-diaminobenzene photometric method for the determination of cobalt content

2,4-Diaminobenzenesulfonic acid sodium salt

D-(-)-para-hydroxyphenylglycine

p-Sulfanilic acid

4，4’-Sulfonyldiphenol（Bisphenol-S）