化学二甲基检测标准

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

Leather and fur—Chemical tests—Determination of dimethyl formamide content

Chemical reagent--N，N-Dimethylformamide

Chemical reagent Butanedione dioxime

Test method of precious metal alloys—Determination of palladium content for palladium and silver alloys—Butanedione dioxime gravimetry

Test method of precious metal alloys - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry

Dimethyl sulfoxide

贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法

Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry

Fatty alkyl dimethyl tertiary amines

Dimethyldichlorosilane for industrial use

N,N-Dimethy aniline

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

Textiles - Quantitative chemical analysis - Part 20: Mixtures of elastane and some other fibers (method of using dimethylacetamide)

Fatty alkyl dimethyl amine oxides

Polydimethylsiloxane trimethylsiloxy terminated

Chemical analysis of gallium—Part 1:Determination of copper content—The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline spectrophotometric method

Dimethyl benzyl carbinyl butyrate