Gas chromatography – mass spectrometry (GC–MS) and handle-portable gas chromatography toroidal ion trap mass spectrometry (GC–TMS) were used as screening methods A liquid chromatography tandem mass spectrometry (LC–MS/MS) method was developed and validated for the quantification of cocaine, levamisole, benzocaine, phenacetin, hydroxyzine, theophylline, diltiazem, acetaminophen and caffeine. The purpose of this work was to quantify cocaine and cutting agents in 116 illicit samples from NMS Labs, Willow Grove, PA, U.S. The cutting agents play an important role in the identification of trafficking routes, and they can also modify or intensify signs and symptoms of drug intoxication increasing the risk to the health’s user. Cocaine is usually sold as a white powder and can contain several adulterants and diluents, known as cutting agents.
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