2021
DOI: 10.5155/eurjchem.12.1.52-55.2077
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Abstract: Since street drugs are frequently and rapidly modified, in order to circumvent the current laws that make them illicit, it is necessary to fully identify them by single crystal X-ray diffraction; subsequently, ideal powder patterns are computed for rapid identification of additional confiscations, which are mostly available in powder form. Monoacetyl morphine is found in samples of heroin as a by-product of incomplete synthesis, or from degradation of diacetyl morphine caused by heat, humidity, or pH changes. … Show more

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“…Analyses of confiscation samples are most commonly accomplished by gas chromatography coupled to mass spectrometry (GC‐MS) 1,2,8,11 and liquid chromatography interfaced to mass spectrometry (LC–MS) 1–3,11,12 . Other less commonly used analytical techniques include Fourier‐transform infrared (FTIR)‐attenuated total reflectance spectroscopy, 13 desorption atmospheric pressure photoionization (DAPPI) coupled to MS, 14,15 desorption electrospray ionization (DESI) interfaced to MS, 16,17 matrix‐assisted laser desorption ionization‐time of flight mass spectrometry, 18 voltammetry, 19 capillary electrophoresis, 20 nuclear magnetic resonance spectroscopy, 11,21 and single crystal X‐ray diffraction 22 . Although FTIR, voltammetry, capillary electrophoresis, and X‐ray diffraction all provide useful information for identification of known compounds, the ability of MS to generate information on molecular weight and fragment ions makes it the technique of choice for identification of unknown compounds in confiscated samples.…”
Section: Introductionmentioning
confidence: 99%
“…Analyses of confiscation samples are most commonly accomplished by gas chromatography coupled to mass spectrometry (GC‐MS) 1,2,8,11 and liquid chromatography interfaced to mass spectrometry (LC–MS) 1–3,11,12 . Other less commonly used analytical techniques include Fourier‐transform infrared (FTIR)‐attenuated total reflectance spectroscopy, 13 desorption atmospheric pressure photoionization (DAPPI) coupled to MS, 14,15 desorption electrospray ionization (DESI) interfaced to MS, 16,17 matrix‐assisted laser desorption ionization‐time of flight mass spectrometry, 18 voltammetry, 19 capillary electrophoresis, 20 nuclear magnetic resonance spectroscopy, 11,21 and single crystal X‐ray diffraction 22 . Although FTIR, voltammetry, capillary electrophoresis, and X‐ray diffraction all provide useful information for identification of known compounds, the ability of MS to generate information on molecular weight and fragment ions makes it the technique of choice for identification of unknown compounds in confiscated samples.…”
Section: Introductionmentioning
confidence: 99%