对甲基苯丙酸检测标准

Food additive Propyl p-hydroxybenzoate

Determination of butyl hydroxy anisole，dibutyl hydroxy toluene，tertiary butyl hydroquinone，ethoxyquin and propyl gallate in feeds

Commission Implementing Regulation (EU) 2017/63 of 14 December 2016 concerning the authorisation of benzyl alcohol, 4-isopropylbenzyl alcohol, benzaldehyde, 4-isopropylbenzaldehyde, salicylaldehyde, p-tolualdehyde, 2-methoxybenzaldehyde, benzoic acid, benzyl acetate, benzyl butyrate, benzyl formate, benzyl propionate, benzyl hexanoate, benzyl isobutyrate, benzyl isovalerate, hexyl salicylate, benzyl phenylacetate, methyl benzoate, ethyl benzoate

Determination of benzoic acid,sorbic acid,methylparaben,ethylparaben,propylparaben and butylparaben in tobacco flavourings and casings—High performance liquid chromatographic method

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

Food additive—Propyl p-hydroxybenzoate

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

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

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

Blend of rubber antioxidant-N-( 1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine and N-(1,4-dimethylpentyl)-N'-phenyl-p-phenylenediamine (6PPD/7PPD)

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

Rubber antioxidant-N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine (77PD)