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Guilty by dissociation—development of gas chromatography–mass spectrometry (GC-MS) and other rapid screening methods for the analysis of 13 diphenidine-derived new psychoactive substances (NPSs)

Geyer, PM and Hulme, MC and Irving, JPB and Thompson, PD and Ashton, RN and Lee, RJ and Johnson, L and Marron, J and Banks, CE and Sutcliffe, OB (2016) Guilty by dissociation—development of gas chromatography–mass spectrometry (GC-MS) and other rapid screening methods for the analysis of 13 diphenidine-derived new psychoactive substances (NPSs). Analytical and Bioanalytical Chemistry, 408 (29). pp. 8467-8481. ISSN 1618-2642

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Abstract

© 2016, Springer-Verlag Berlin Heidelberg.The prevalence of new psychoactive substances (NPSs) in forensic casework has increased prominently in recent years. This has given rise to significant legal and analytical challenges in the identification of these substances. The requirement for validated, robust and rapid testing methodologies for these compounds is obvious. This study details the analysis of 13 synthesised diphenidine derivatives encountered in casework using presumptive testing, thin layer chromatography and gas chromatography–mass spectrometry (GC-MS). Specifically, the validated GC-MS method provides, for the first time, both a general screening method and quantification of the active components for seized solid samples, both in their pure form and in the presence of common adulterants. [Figure not available: see fulltext.]

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