T/HPFCIA 22006-2022
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)
HG/T 5687\uff5e5688-2020
KS M 8554-2005(2018)
p-Dimethylaminobenzylidene rhodanine
T/CPUIA 0004-2022
T/CPUIA 0008-2022
T/CPUIA 0009-2022
GB/T 8851-2005
Food additive Propyl p-hydroxybenzoate
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)
SN/T 4047-2014
Determination of 4-hydroxybenzoic acid ester in food for export
GB 5009.31-2016
GB 1886.31-2015
SN/T 1303-2003
GB 30602-2014
GB 30601-2014
SN/T 4262-2015
Determination of benzoic acid、sorbic acid and p-hydroxybenzoic acid esters antiseptics in milk and dairy products for export - HPLC Method
SN/T 1121-2002
Determination of benzoic acid,sorbic acid and parabens in Chinese traditional medicine preparation -Liquid chromatographic method
GB 8850-2005
Food additive—Ethyl p-hydroxybenzoate
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