Simultaneous determination of free methamphetamine, pethidine, ketamine and tramadol in urine by dispersive liquid-liquid microextraction combined with GC-MS

• Main Authors: Fangmin Xu (Author), Lingyun Liu (Author)
• Format: Knjiga
• Izdano: Oxford University Press, 2019-04-01T00:00:00Z.
• Teme: article
• Online dostop: Connect to this object online.

A simple and rapid dispersive liquid-liquid microextraction (DLLME) technique coupled with gas chromatography-ion trap mass spectrometry (GC-MS) was developed for the extraction and analysis of methamphetamine (MA), pethidine (PD), ketamine (KT) and tramadol (TD) from human urine. In this study, dif...