DB34/T 1767-2012
SN/T 3551-2013
Food contact materials-Paper,regenerated fibre-Determination of benzophenone and 4-methylbenzophenone-Gas chromatography-mass spectrometer
SN/T 4265-2015
Food contact materials - Auxiliary material - Determination of benzophenone and 4-methylbenzophenone in printing ink-Gas chromatography mass spectrometer
HG/T 5501\uff5e5504-2018
SN/T 3388-2012
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
T/CPCIF 0090-2021
HG/T 3481-2020
HG/T 5949-2021
HG/T 5484\uff5e5487-2018
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
32004L0058R(01)
HG/T 3481-1999
Chemical reagent 4-Methyl-2-pentanone
HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
HG/T 5949\uff5e5950-2021
HG/T 5303\uff5e5305-2018
32004L0058
GB/T 44365-2024
Determination of 6-methylcoumarin, dihydrocoumarin, 7-methylcoumarin, 7-methoxycoumarin, 7-ethoxy-4-methylcoumarin in toothpastes—High performance liquid chromatography