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Egyptian Journal of Forensic Sciences
Fig. 15 | Egyptian Journal of Forensic Sciences

Fig. 15

From: Divergent gunshot residues and characterization of the memory effect in a .22 caliber revolver and pistol

Fig. 15

A PbBa containing particle from a 9mm pistol discharge with major silicon and calcium peaks; six of these particles appeared similar (BSEI inset), and all seven had similar elemental compositions. Trace Sb was identified in this particle, and the others justified the criminalist’s characteristic designation. The other six characteristic GSR particles had a similar morphology. The likely presence of calcium silicide in the origin primer might have influenced the GSR form

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