Determination of ketamine and norketamine in hair by micropulverized extraction and liquid chromatography–high resolution mass spectrometry Donata Favretto,

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Determination of ketamine and norketamine in hair by micropulverized extraction and liquid chromatography–high resolution mass spectrometry Donata Favretto, Susanna Vogliardi, Giulia Stocchero, Alessandro Nalesso, Marianna Tucci, Claudio Terranova, Santo Davide Ferrara Forensic Science International Volume 226, Issue 1, Pages 88-93 (March 2013) DOI: 10.1016/j.forsciint.2012.12.013 Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions

Fig. 1 HPLC–HRMS chromatograms obtained for MH+ ions of KT (at m/z 238.09931), NK (at m/z 224.08367) and IS (at m/z 241.11815) from hair spiked at 0.5ng/mg (a and b), true positive hair (c and d) and blank hair (e and f). Forensic Science International 2013 226, 88-93DOI: (10.1016/j.forsciint.2012.12.013) Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions

Fig. 2 HPLC–HRMS chromatograms and high resolution isotope clusters obtained for MH+ ions of KT (a), NK (b) and IS (c), from Case 1. Forensic Science International 2013 226, 88-93DOI: (10.1016/j.forsciint.2012.12.013) Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions

Supplementary Fig. 1 HRMS/MS spectrum obtained by collision of MH+ ions of KT at m/z 238. Forensic Science International 2013 226, 88-93DOI: (10.1016/j.forsciint.2012.12.013) Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions

Supplementary Fig. 2 HRMS/MS spectrum obtained by collision of MH+ ions of NK at m/z 224. Forensic Science International 2013 226, 88-93DOI: (10.1016/j.forsciint.2012.12.013) Copyright © 2013 Elsevier Ireland Ltd Terms and Conditions