HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
HG/T 5501\uff5e5504-2018
HG/T 5803\uff5e5806-2021
HG/T 5845\uff5e5848-2021
GB/T 17814-2022
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
HG/T 5886\uff5e5889-2021
GB 1886.31-2015
SH/T 1808-2017
p-Diethylbenzene for industrial use
HG/T 5489-2018
o-Methoxyaniline-p -sulfonylethyl hydrogen sulfate ester
GB 30602-2014
HG/T 2423-2018
Bis (2-ethylhexyl) terephthalate (DOTP) for industrial use
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
HG/T 5488\uff5e5491-2018
GB/T 39827.1-2021
Plastics—Post-consumer poly(ethylene terephthalate)(PET)bottle recyclates—Part 1:Designation system and basis for specifications
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
GB 8850-2005
Food additive—Ethyl p-hydroxybenzoate
SN/T 3920-2014
Determination of hydroquinone,salicylic acid,phenol,2-phenoxyethanol,methyl 4-hydroxybenzoic acid easters,dichlorophen and triclosan in cosmetics for export-Liquid chromatography method
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
YB/T 4744-2019
4-Methylphenol
ASTM D4590-22
Standard Test Method for Colorimetric Determination of