Determination of cocaine adulterants in human urine by dispersive liquid-liquid microextraction and high-performance liquid chromatography
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DOI: 10.1007/s00216-019-01797-z
Abstract: This study aimed to determine simultaneously five major street cocaine adulterants (caffeine, lidocaine, phenacetin, diltiazem, and hydroxyzine) in human urine by dispersive liquid-liquid microextraction (DLLME) and high-performance liquid chromatography. The chromatographic separation was obtained in… read more here.
Keywords: human urine; liquid; dispersive liquid; cocaine adulterants ... See more keywords