HG/T 5694\uff5e5697-2020
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
UNE 84090:1994
COSMETIC RAW MATERIALS. TEST OF CONTENT OF STERS OF P-HYDROXYBENZOATES. BROMINATION METHOD.
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 0009-2022
T/CPUIA 0004-2022
T/CPUIA 0008-2022
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