HG/T 5845\uff5e5848-2021
GB/T 38409-2019
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
QB/T 4420-2012
GB 29981-2013
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
GB 1886.368-2023
HG/T 5501\uff5e5504-2018
HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
SN/T 3153-2012
Determination of N,N-bis(2-hydroxyethyl)-p-phenylenediamine,N,N-dimethyl-p-phenylenediamine,N,N-diethyl-p-phenylenediamine,N-phenyl-p-phenylenediamine and their salts in oxidative hair dyes for export-High performance liquid chromatography
HG/T 5847-2021
4-Amino-N-[3-(2-Hydroxyephyl)sulfone]phenylbenzamide
HG/T 2417-1993
HG/T 5833\uff5e5835-2021
GB/T 23296.5-2009
Food contact materials - Polymer - Determination of dimethylaminoethanol in food simulants - Gas chromatography
GBZ/T 312-2018
Determination of N-methylacetamide in urine—Gas chromatographic method
T/CDIA 0014-2020
DB44/T 1122-2013
HG/T 2335-1992
GB/T 41418-2022
Textiles—Quantitative chemical analysis—Mixtures of meta-aramid and para-aramid fibres(method using dimethylacetamide and lithium chloride)
SN/T 3587-2013
Determination of N,N-dimethyformamide and N,N-dimethylacetamide in textile for import and export-Gas chromatography-Mass method