HG/T 5842-2021
ο-Acetoacetotoluidide
GA/T 1791-2021
Forensic sciences—Examination methods for 7 phenylethylamines including 4-ethyl-2,5-dimethoxyphenethylamine in suspected drugs—GC and GC-MS
GA/T 1927-2021
Forensic sciences—Examination methods for 7 phenylethylamines including 4-ethyl-2,5-dimethoxyphenethylamine in suspected drugs—LC and LC-MS
HG/T 5848-2021
2,4-Dimethylacetoacetanilide
HG/T 4470-2012
HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
QB/T 4420-2012
GB 29981-2013
HG/T 3777-2023
GBZ/T 312-2018
Determination of N-methylacetamide in urine—Gas chromatographic method
GB 1886.368-2023
HG/T 3538-2011
HG/T 4329-2012
Water treatment chemical-Ethylene diamine tetra (methylene phosphonic) penta sodium salt
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
HG/T 5842\uff5e5844-2021
HG/T 5845\uff5e5848-2021
GB/T 41418-2022
Textiles—Quantitative chemical analysis—Mixtures of meta-aramid and para-aramid fibres(method using dimethylacetamide and lithium chloride)
HG/T 5250~5252-2017