2羟基苯酚检测标准

铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法

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.

2-Amino-4-nitrophenol

2,4-Dinitrophenol

2,4,6 -Trinitrophenol（Picric acid）

2-Amino-5-nitrophenol

Determination of banned 2,4,6-trichlorophenol,pentachlorophenol and bithionol in cosmetics―High performance liquid chromatography

2,4-Di-tert-butylphenol

2,6-Di-tert-butylphenol

Determination of 2,4-diaminophenol,2,3-diaminophenol and 2,4-diaminoanisole in hair dyes for import and export

Determination of 2-amino-4-nitrophenol and 2-amino-5-nitrophenol in hair dye for import and export

2-Hydroxy-6-naphthoic acid

Textiles―Determination of the content of chlorinated phenols―Part 2: Gas chromatography

Determination of alkylphenols and alkylphenol polyethoxylates in textiles-Part 2:High performance liquid chromatography-mass chromatography method

Implants for surgery—Hydroxyapatite—Part 2:Coatings of hydroxyapatite

Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method