Trace-Level Screening of Chemicals Related to Clandestine Desomorphine Production with Ambient Sampling, Portable Mass Spectrometry

Figure 2

Ambient MS analyses of codeine on the FLIR Systems AI-MS 1.2. (a) DESI-MS spectrum. (b) DESI-MS/MS of protonated codeine. (c) PSI-MS spectrum. (d) PSI-MS/MS of protonated codeine.