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Stubs versus swabs? A comparison of gunshot residue collection techniques

Reid, L., Chana, K., Bond, J. W., Almond, M. J. and Black, S. ORCID: (2010) Stubs versus swabs? A comparison of gunshot residue collection techniques. Journal of Forensic Sciences, 55 (3). pp. 753-756. ISSN 0022-1198

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To link to this item DOI: 10.1111/j.1556-4029.2010.01332.x


The collection efficiency of two widely used gunshot residue (GSR) collection techniques—carbon-coated adhesive stubs and alcohol swabs—has been compared by counting the number of characteristic GSR particles collected from the firing hand of a shooter after firing one round. Samples were analyzed with both scanning electron microscopy and energy dispersive X-rays by an experienced GSR analyst, and the number of particles on each sample containing Pb, Ba, and Sb counted. The adhesive stubs showed a greater collection efficiency as all 24 samples gave positive results for GSR particles whereas the swabs gave only positive results for half of the 24 samples. Results showed a statistically significant collection efficiency for the stub collection method and likely reasons for this are considered.

Item Type:Article
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:16189

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