对氯甲基苯甲醛检测标准

Water quality--Determination of monomethyl hydrazine--p-Dimethylaminobenzaldehyde spectrophotometric method

Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—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)

p－Dimethylaminobenzaldehyde

Forensic sciences—Examination methods for chloracetophenone and o-chlorobenzalmalononitrile in tear agent samples—GC-MS

p-Nitrobenzoyl chloride for industrial use

Purified terephthalic acid(PTA) for industrial use--Determination of 4-carboxybenzaldehyde and p-toluic acid--High performance capillary electrophoresis (HPCE)

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

Food contact materials - Paper recovered fiber materials - Determination of 1,2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one 5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method

p-Tolualdehyde

Water quality--Determination of hydrazine--p-Dimetylaminobenzaldehyde spectrophotometric method

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