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Fig. 12 | Harm Reduction Journal

Fig. 12

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

Fig. 12

Example 4:a ATR–IR reflection absorbance spectra of an opioid sample (black), overlaid with the library spectrum of caffeine. b Powder Raman spectra and the corresponding library caffeine spectrum. c SERS spectrum of the drug mixture. d The GC total ion count chromatogram is presented, along with mass spectra of e fentanyl, f carfentanil, and g etizolam in the top panels, and library MS entries below in red

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Harm Reduction Journal

ISSN: 1477-7517