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 1791-2021
Forensic sciences—Examination methods for 7 phenylethylamines including 4-ethyl-2,5-dimethoxyphenethylamine in suspected drugs—LC and LC-MS
GA/T 1791-2021
o-Methoxyaniline-p -sulfonylethyl hydrogen sulfate ester
GA/T 1791-2021
Forensic sciences—Experimental methods for evaluation of neurotoxicity of phenethylamines and cathinone-like substances—In vitro neurocytotoxic testing method
GA/T 1791-2021
GA/T 1791-2021
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
GA/T 1791-2021
GA/T 1791-2021