甲基色胺检测标准

Determination of 16 tryptamine hallucinogens and their metabolites in hair samples by liquid chromatography- tandem mass spectrometry

Determination of 10 volatile nitrosamines including N-Nitrosodimethylamine in cosmetics - Gas chromatography tandem mass spectrometry

Determination of 160 pesticides residues including alachlor,acetochlor,azamethiphos in foodstuffs for export-GC-MS method

Carbon materials—Determination of vanadium content—3,3-dimethyl naphthalene amine colorimetric method

Determination of N,N-bis(2-hydroxyethyl)-p-phenylenediamine,N,N-dimethyl-p-phenylenediamine,N,N-diethyl-p-phenylenediamine,N-phenyl-p-phenylenediamine and their salts in oxidative hair dyes for export-High performance liquid chromatography

Food contact materials-Paper and regenerated fiber-Determination of total contant of distearyl dimethyl ammonium chloride,ditallow alkyl dimethyl ammonium chloride,and di(hydrogentated tallow)dimethyl ammonium chloride-Liquid chromatography-tandem mass sp

Fatty alkyl dimethyl tertiary amines

Chemical reagent―Hexamethylene tetramine

Fatty alkyl dimethyl amine oxides

Hexamethylene tetramine for industrial use

Dialkyl methyl tertiary amines

Method for the determination of sulfacetamide，sulfapyridine，sulfamerazine，sulfamethoxypyridazine，sulfameter，sulfachloropyridazine，sulfamethoxazole and sulfadime-thoxine residues in honey--Liquid chromatographic method

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