Microextraction by Packed Sorbent as a Clean-up Approach for the Determination of Ketamine and Norketamine in Hair by Gas Chromatography--Tandem Mass Spectrometry
Abstract:The use of NPS has been increasing and constitutes a social and public health problem, hence toxicological analysis become of utmost importance for the detection of such substances. In this paper, we present the development and full validation of a simple, user and environmentally friendly, cheap, and suitable method for the determination of ketamine and its main metabolite norketamine in hair samples. The procedure included using a miniaturized procedure – microextraction by packed sorbent with mixed-mode sor… Show more
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