YC/T 423-2011
Determination of benzoic acid,sorbic acid,methylparaben,ethylparaben,propylparaben and butylparaben in tobacco flavourings and casings—High performance liquid chromatographic method
YC/T 423-2011
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
YC/T 423-2011
Cosmetic raw materials. Butyl p-hydroxybenzoate.
YC/T 423-2011
Cosmetic raw materials. Isobutyl p-hydroxybenzoate.
YC/T 423-2011
Food additive Propyl p-hydroxybenzoate
YC/T 423-2011
YC/T 423-2011
O-Hydroxybenzoic acid(Salicylic acid)
YC/T 423-2011
Determination of 4-hydroxybenzoic acid ester in food for export
YC/T 423-2011
YC/T 423-2011
YC/T 423-2011
YC/T 423-2011
YC/T 423-2011
YC/T 423-2011
Determination of seven parabens in cosmetics—High performance liquid chromatography
YC/T 423-2011
YC/T 423-2011
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,ethoxyquin and propyl gallate in feeds
YC/T 423-2011
Determination of benzoic acid、sorbic acid and p-hydroxybenzoic acid esters antiseptics in milk and dairy products for export - HPLC Method
YC/T 423-2011
Food additive—Ethyl p-hydroxybenzoate
YC/T 423-2011
Determination of p-hydroxybenzoic acid esters in foods
YC/T 423-2011
Determination of benzoic acid,sorbic acid and parabens in Chinese traditional medicine preparation -Liquid chromatographic method