Fast detection and characterization of organic and inorganic gunshot residues on the hands of suspects by CMV-GC–MS and LIBS
2015
Abstract A rapid method for the characterization of both organic and inorganic components of gunshot residues (GSR) is proposed as an alternative tool to facilitate the identification of a suspected shooter. In this study, two fast screening methods were developed and optimized for the detection of organic compounds and inorganic components indicative of GSR presence on the hands of shooters and non-shooters. The proposed methods consist of headspace extraction of volatile organic compounds using a capillary microextraction of volatiles (CMV) device previously reported as a high-efficiency sampler followed by detection by GC–MS. This novel sampling technique has the potential to yield fast results (
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