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
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
32015D1875
32014D0688