二吡啶甲基胺检测标准

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

Fatty alkyl dimethyl tertiary amines

Fatty alkyl dimethyl amine oxides

Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride

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

Fatty alkylamidopropyldimethyl amines

Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine（6PPD）

Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate

Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt

Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine

Blend of rubber antioxidant-N-( 1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine and N-(1,4-dimethylpentyl)-N'-phenyl-p-phenylenediamine (6PPD/7PPD)

Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)

Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid