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Scope

1.1 This guide covers the analysis of gunshot residue (GSR) by scanning electron microscopy/energy-dispersive spectrometry (SEM/EDS) by manual and automated methods. The analysis may be performed "manually," with the operator manipulating the microscope stage controls and the EDS system software, or in an automated fashion, where some amount of the analysis is controlled by pre-set software functions requiring little or no operator intervention.

1.2 Since software and hardware formats vary among commercial systems, guidelines will be offered in the most general terms possible. Each system's software manuals should be consulted for proper terminology and operation.

Keywords

energy-dispersive spectroscopy (EDS); residue; scanning electron microscope (SEM); gunshot residue (GSR) analysis-scanning electron; microscopy/energy-dispersive spectroscopy, guide,; guns; GSR analysis-SEM/EDS, guide; gunshot residue (GSR); gunshot residue (GSR) analysis-scanning; electronmicroscopy/energy-dispersive spectroscopy; ICS Number Code 11.020 (Medical sciences and health care facilities in general)

To find similar documents by ASTM Volume:

14.02 (General Test Methods; Forensic Psychophysiology; Forensic Sciences; Terminology; Conformity Assessment; Statistical Methods; Nanotechnology; Forensic Engineering; Manufacture of Pharmaceutical Products)

To find similar documents by classification:

11.020 (Medical sciences and health care facilities in general Including quality and environmental management in health care technology IT application in health care technology, see 35.240.80)

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