Journal Highlight: Cannabis profiling based on its elemental composition - Is it possible?

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  • Published: Oct 3, 2011
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thumbnail image: Journal Highlight: Cannabis profiling based on its elemental composition - Is it possible?

Cannabis profiling based on its elemental composition - Is it possible?

Journal of Forensic Sciences 2011, 56, 1250-1255
Marzena Joanna Kuras, Marek Jan Wachowicz

Abstract: Elemental composition of 85 cannabis samples was established using GF AAS and ICP OES methods. The robustness of the method was determined by analyzing eight independently prepared replicates from a single cannabis plant. The accuracy of the method was established by analyzing four plant certified reference material samples. The ability of discriminant analysis using elemental compositions to distinguish between fiber cannabis samples collected from four different regions of Poland was evaluated. Then, a classification model was developed that correctly classified selected samples of known origin. Cannabis samples confiscated by law enforcement agencies have also been subjected to discriminant analysis. A classification model has been developed for four locations in Poland (Bialystok, Koscierzyna, the environs of Skarzysko Kamienna, and Bydgoszcz), to help determine where samples of unknown origin could have been grown.

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 The elemental composition of 85 cannabis samples was established using GF AAS and ICP OES methods and a classification model was developed that correctly classified selected samples of known origin before being applied to siezed samples for origin assessment

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