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Illegal route estimation of the seized illicit drug, methamphetamine, by the comparison of striation marks on plastic packaging films.
J Forensic Sci ; 54(6): 1341-8, 2009 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-19732271
ABSTRACT
In Japan, the most common illicit drug is methamphetamine. It is possible to trace the origin of this drug by analyzing its organic and inorganic impurities and/or byproducts using several methods, such as GC, GC/MS, and inductively coupled plasma-mass spectrometry (ICP-MS). As reported here, one other method includes comparison of the striation lines of polymer sheet layers from packaging using a polarized light method. Other alternative methods include analyzing the heat sealer pattern, layer thickness surface characteristics, and/or components of polymer sheet layers using infrared spectroscopy. Several of these alternative methods were used to analyze the origins of 29 packages confiscated from three regions over a 1000 km distance in Japan. Results indicated that packages seized from different regions had some polymer sheet layers which contained striation lines and heat sealer patterns that were similar.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: J Forensic Sci Ano de publicação: 2009 Tipo de documento: Artigo País de afiliação: Japão