二溴对甲基苯酚检测标准

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

Determination of methyldibromo glutaronitrile in cosmetics—Gas chromatography method

4-Chloro-3,5-dimethylphenol

4-Methylphenol

Determination of permitted preservatives dimethyl oxazolidine, 7-ethylbicyclooxazolidine and 5-bromo-5-nitro-1,3-dioxane in cosmetics

Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry

CONSTITUENT, 4-4-METHYLENEBIS (2-6-DITERTBUTYLPHENOL)

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

Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction

Silver—Determination of antimony content—2-(5-bromo-2-pyridylazo)-5-diethylaminophenol spectrophotometric method

Industrial circulating cooling water—Determination of nitrate—2,6-Dimethylphenol spectrometric method

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

Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction

Standard Test Method for Silica, Precipitated, Hydrated—CTAB (Cetyltrimethylammonium Bromide) Surface Area

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)