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5 risultati
[Analysis of two year heroin seizures in the Liege area].
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The results of heroin analysis from seizures in the Liege area during the last two years are presented in this article. Between January 2003 and January 2005, 50 samples were analysed in the Laboratory of Clinical Toxicology and Forensic Toxicology of the University of Liege. Mean heroin
[Analysis of regional trends in narcotic studies between 1980 and 1986].
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During the period of survey, the number of narcotic drug seizures by the law, especially cannabis resin, has increased considerably. The details on this development are presented. The following main analytical results were obtained: the median concentration of THC in cannabis resin has increased up
A probabilistic approach to heroin signatures.
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The probability density functions of amount ratios of compounds (total codeine/total morphine, 6-monoacetylemorphine/total morphine, papaverine/total morphine, and noscapine/total morphine) from the analysis of seized heroin, originating from known world regions (South East Asia, South West Asia,
Death in a legal poppy field in Spain.
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Opium is a substance extracted from Papaver somniferum L. Opium latex contains morphine, codeine, and thebaine and non-analgesic alkaloids such as papaverine and noscapine. In Spain opium growing is allowed only for scientific or pharmaceutical purposes and harvest is supervised by the Spanish
Characterization of heroin samples by 1H NMR and 2D DOSY 1H NMR.
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Twenty-four samples of heroin from different illicit drug seizures were analyzed using proton Nuclear Magnetic Resonance ((1)H NMR) and two-dimensional diffusion-ordered spectroscopy (2D DOSY) (1)H NMR. A careful assignment and quantification of (1)H signals enabled a comprehensive characterization
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