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- Title
Does the Prior Application of the Field Kit Bullet Hole Testing Kit 3 on a Suspected Bullet Hole Bias the Analysis of Atomic Absorption Spectrophotometry?
- Authors
Seltenhammer, Monika H.; Fitzl, Christine; Wieser, Ingo; Binder, Reinhard; Paula, Pia; Risser, Daniele U.
- Abstract
Forensic ballistics is the study of bullet trajectory and consists of determining gunshot residue ( GSR) to identify bullet holes. Among several highly sensitive methods, atomic absorption spectrophotometry ( AAS) is employed to analyze GSR in the laboratory. However, it is sometimes necessary to identify bullet holes immediately at a crime scene. The purpose of this examination was to determine whether the use of the field test Bullet Hole Testing Kit 3 ( BTK3) on a suspected bullet hole would influence the outcome of AAS-analysis: Three commonly encountered firearms ( Glock17, Tokarev, and Colt) were fired at skin, wood, and cloth. AAS-analysis was performed with and without previous BTK3 application. The results clearly indicate that there is no significant interaction on the grounds of BTK3 use ( BTK3 vs . no- BTK3 [kit_nokit] [ Pb: p = 0.1309; Sb: p = 0.9111], material*kit_nokit [ Pb: p = 0.5960; Sb: p = 0.9930], distance*kit_nokit [ Pb: p = 0.4014; Sb: p = 0.9184], and firearm type*kit_nokit [ Pb: p = 0.9662; Sb: p = 0.9885]); hence, applying this field kit does not falsify later AAS outcomes.
- Subjects
ATOMIC absorption spectroscopy; FORENSIC ballistics; GUNSHOT residues; BULLET identification; DIAGNOSTIC reagents &; test kits; SCANNING electron microscopes
- Publication
Journal of Forensic Sciences, 2014, Vol 59, Issue 5, p1364
- ISSN
0022-1198
- Publication type
Article
- DOI
10.1111/1556-4029.12530