XRF analysis as a tool for identification of research at the present level gunshot injuries

Optical Spectroscopic techniques are widely used in practice, despite the high sensitivity and wide range studied chemical elements, have the drawback such as sample preparation, which is possible only if the destruction of the object of research. Non- destructive method of investigating the elemental composition of layers of metals and other GSR is micro-XRF, but investigated the possibilities of modern equipment is not enough. Objective. The study was to identify the distribution of chemical elements in damages simulators clothes at experimental shots from firearms through. Methods. The objects of study were damaged clothing (patches of skin, which made jacket). Was used micro XRF spectrometer «M4 TORNADO» manufactured by Bruker (Germany). Results. Technical features and software spectrometer «M4 TORNADO» provides new opportunities for laboratory diagnosis of various chemical elements in the tissues of biological and non-biological origin, including gunshot residue (GSR). The advantages of micro-XRF method are similar in topography mapping capabilities that individual elements and their combinations. In analyzing the nature of the distribution of elements on maps derived researcher has the opportunity to interpret the intensity of the character and background layers of the concentrations of elements that creates the preconditions for refusing the study of the control sample (material outside the target area of damage). Conclusion. new opportunities for laboratory diagnostics GSR by using micro- XRF.