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  • Title: Illicitly imported heroin products: some physical and chemical features indicative of their origin.
    Author: O'Neil PJ, Baker PB, Gough TA.
    Journal: J Forensic Sci; 1984 Jul; 29(3):889-902. PubMed ID: 6747589.
    Abstract:
    Samples taken from over 200 seizures of imported illicit heroin preparations of known geographical origin have been examined by gas liquid chromatography (GLC). The chromatographic characteristics were considered in conjunction with the physical appearance of the materials and it was found possible in many instances to discriminate between samples of different origin. Thus by carrying out GLC and HPLC and a visual inspection on a sample of unknown provenance, it may be possible to give an opinion as to its geographical origin.
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