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Showing 1 to 9 of 9 for “"gunshot residue"”.
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Chemical Profiling of Ballistic Materials - Analysis of organic gunshot residue
Gunshot residue (GSR) is a complex chemical mixture that is created during the discharge of a firearm. Its detection and interpretation play a crucial role in the investigation of firearm incidents. Current GSR analysis is limited to inorganic GSR (IGSR), however, the evidential value could be …
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The Advanced Spectroscopic Analysis of Organic Gunshot Residue and Explosives
… detect, identify and interpret the presence of gunshot residue or explosives material. This concern is seen in law enforcement agencies and the media throughout the United States and abroad.</p> <p>Currently, the typical method of analyzing gunshot residue in most crime laboratories serves to …
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Forensic Gunshot Residue Distance Determination Testing Using Identical Make and Model Handguns and Different Ammunitions.
… the firearm at various distances to compare gunshot residue patterns made during the test with patterns on the victim or target. Crime laboratories stipulate that the same firearm and ammunition used in commission of the crime must be used for this testing; however, little empirical evidence …
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Differentiation of bullet type based on analysis of gunshot residue using inductively coupled plasma mass spectrometry
Thesis (M.S.)--Michigan State University. Forensic Science, 2010
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Examining Significant Differences of Gunshot Residue Patterns Using Same Make and Model of Firearms in Forensic Distance Determination Tests.
<p>In many cases of crimes involving a firearm, police investigators need to know how far the firearm was held from the victim when it was discharged. Knowing this distance, vital questions regarding the re-construction of the crime scene can be known. Often, the original firearm used in commission …
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Lead-Free Gunshot Residues as Forensic Evidence
<p>The analysis of gunshot residue (GSR) has been forensically relevant for many years and several methods are well characterized in scientific literature. However, the manufacture and distribution of lead-free alternatives to small caliber firearms ammunition is increasing rapidly as these types …
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The use of image analyzing software for muzzle to target distance determination.
… data to include particulate density and Gunshot residue dispersion and carried out a statistical replicate study to determine the number of targets needed at a given distance for each gun and ammunition combination. One pistol, revolver, rifle and shotgun were selected for this study. …
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Trace Evidence Analysis of Forensic Samples Using Inductively Coupled Plasma
… human head hair, automotive paint, solder and gunshot residue. Human hair and automotive paints were analyzed using electrothermal vaporization (ETV) coupled to ICP optical emission spectrometry (OES). This combination is advantageous for the analysis of forensic materials, as ETV enables the …
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The use of serface fuintionalised silica nano-particlate powders for the identification of gunshot residues from fingerprints
Gunshot residue (GSR) mixture consists of partially burned particles of propellant and characteristic particles of elements originating from the primer, bullet, propellant and some additives in the propellant. Since Harrison and Gillory [1] drew forensic scientists’ attention to the fact that GSR …