Efficiency of Determination of Elemental Composition of Metals and their Topography in Objects of Biological Origin Using Spectrometers
Keywords:gunshot wound, electric trauma, X-ray fluorescence spectral analysis.
Bodily injuries, caused by firearms and special non-lethal means, which are provided for law enforcement
agencies and special services and they are available to the civilian population as well (pistols for firing
ammunition equipped with elastic bullets, stun guns, etc.,) and the consequences of torture using various
methods and the traumatic factors that caused by them have to get expert objective assessment. Among other
laboratory studies, it is important to determine the characteristics of the composition of chemical elements
in objects of biological and non-biological origin by performing X-ray fluorescence spectral analysis using
modern spectrometers. The object: to determine the characteristics of the elemental composition of metals
and their topography in injuries caused by gunshots and stun gun by conducting X-ray fluorescence spectral
analysis using spectrometers “ElvaX CEP-01” and “M4 TORNADO”. Conclusions: the use of spectrometers
increases the accuracy and objectivity of expert examinations of injuries caused by firearms and electric
shock device as they have a wide range of chemical elements detection in the composition of the products of
the shot and the electro tag from sodium to uranium. Using X-ray fluorescence spectral analysis, it is possible
not only to detect metals in the layers of soot on injuries, but also to conduct a targeted “microscopic” study
of their topography for partial group identification of firearms and the installation of electrode metal, which
acted as a contact body conductor. X-ray fluorescence spectral analysis is a non-destructive research method.
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