二羟基甲胺检测标准

Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method

Plastics - Glass fiber reinforced poly(decamethylene terephthalamide) compound

Dimethylamine for industrial use

Methods for the chemical analysis of aluminium oxide--The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadic oxide content

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

H-acid monosodium salt（1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)

2,4-D dimethylamine salt aqueous solution

3-(Dimethylamino) propylamine

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

Inspection rules for import and export dangerous chemical products-Dimethylamine

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

Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method

Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method

Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)