1二甲基苯检测标准

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

Test method of purified terephthalic acid (PTA) for industrial use―Part 1：Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)

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

Rubber antioxidant-N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine (8PPD)

Blend of rubber antioxidant-N-( 1-methylheptyl)-N'-phenyl-p-phenylenediamine and polymerized 2,2,4-trimethyl-1，2-dihydroquinoline (8PPD/TMQ)

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

Dimethyl sulfoxide

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

Fatty alkyl dimethyl tertiary amines

Dimethyldichlorosilane for industrial use

N,N-Dimethy aniline

铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法

Fatty alkyl dimethyl amine oxides

Polydimethylsiloxane trimethylsiloxy terminated