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Fig. 9 | Harm Reduction Journal

Fig. 9

From: Point-of-care community drug checking technologies: an insider look at the scientific principles and practical considerations

Fig. 9

Example 1: a ATR–IR reflection absorbance spectra of a sample containing methamphetamine (black), overlaid with library spectra of pure methamphetamine and dimethylsulfone. b Raman spectra and the corresponding library entries. c SERS spectrum of the drug mixture. d The GC total ion count chromatogram is presented, along with mass spectra of e methamphetamine and f dimethylsulfone in the top panels, and library MS entries below in red

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Harm Reduction Journal

ISSN: 1477-7517