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
SN/T 4137-2015
Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export - LC-MS/MS method
T/CRIAC 0082-2023
GB/T 30921.1-2014
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)
UNE 84715:2007
Cosmetic raw materials. Esters of p-hydroxybenzoic acid. Determination of purity by high pressure liquid chromatography.
T/CAFFCI 77-2024
UNE 84695:2006
Cosmetic raw materials. Sunscreens. Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-hexylester.
UNE 84697:2006
Cosmetic raw materials. Sunscreens. Benzoic acid, 2-{4-(diethylamino)-2-hidroxybenzoyl}-hexylester. Determination of the purity by gas chromatography.
\u0413\u041e\u0421\u0422 25699.5-90
Carbon black for rubber industry. Method for determination of dibutylphtalate absorption
SH/T 1612.7-1995
SH/T 1687-2000
Purified terephthalic acid(PTA) for industrial use--Determination of 4-carboxybenzaldehyde and p-toluic acid--High performance capillary electrophoresis (HPCE)
GB/T 8851-2005
Food additive Propyl p-hydroxybenzoate
HG/T 3398-2003
O-Hydroxybenzoic acid(Salicylic acid)
ISO 6796:1981
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
SN/T 4047-2014
Determination of 4-hydroxybenzoic acid ester in food for export
GB 5009.31-2016
GB 1886.31-2015
GB 30602-2014
GB 30601-2014
GB/T 35948-2018
Determination of seven parabens in cosmetics—High performance liquid chromatography