Tracing the goegraphical origin of cocaine

J. R. EHLERINGER ; J. F. CASALE ; M. J. LOTT ; V. L. FORD | 2000
Périodique

ENGLISH : Here we show that cocaine originating from different geographic regions in South America can be identified by its isotope-ratio signature. The distinct carbon and nitrogen isotope-ratio combinations allow the country of origin to be [...]

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