n-二甲基甘氨酸检测标准

N,N-Dimethy aniline

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

Determination of material insoluble in N,N-dimethylformamide for pesticides

Chemical reagent--N，N-Dimethylformamide

Textile dyeing and finishing-Determination of N,N -Dimethylformamide

Rubber antioxidant-N-(1,4-dimethylpentyl)-N'-phenylp-phenylenediamine(7PPD)

N,N-Dimethy aniline

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

Food contact materials - Polymer - Determination of dimethylaminoethanol in food simulants - Gas chromatography

Determination of N,N-dimethyformamide and N,N-dimethylacetamide in textile for import and export-Gas chromatography-Mass method

N, N－Dimethylpphenylenediammonium dichloride

Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric 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