Jump to main content
Jump to site search

Issue 3, 2013
Previous Article Next Article

ZnAl2O4-based luminescent marker for gunshot residue identification and ammunition traceability

Author affiliations

Abstract

Lanthanide-doped ZnAl2O4 spinel was used as a luminescent marker for gunshot residue (GSR). GSR was visually identified on shooters' hands, as well as on firearms and the firing range. After the shot, GSR was collected and analyzed by several techniques, including FTIR, Raman and emission spectroscopies and SEM-EDS. It was observed that markers provide an optically and structurally unique signature for GSR, allowing their identification by the tested techniques. SEM-EDS shows that lanthanide ions act as a chemical taggant. FTIR and Raman spectra provided a chemical signature of GSR, as well as emission spectra. Thus, it was possible to unequivocally identify GSR, even when lead-free ammunition was used. By employing different emitting centers, it was also possible to distinguish between two types of ammunition, opening a new perspective for traceability.

Graphical abstract: ZnAl2O4-based luminescent marker for gunshot residue identification and ammunition traceability

Back to tab navigation

Publication details

The article was received on 25 May 2012, accepted on 09 Nov 2012 and first published on 13 Dec 2012


Article type: Paper
DOI: 10.1039/C2AY25535A
Citation: Anal. Methods, 2013,5, 705-709
  •   Request permissions

    ZnAl2O4-based luminescent marker for gunshot residue identification and ammunition traceability

    M. A. M. Lucena, G. F. de Sá, M. O. Rodrigues, S. Alves, M. Talhavini and I. T. Weber, Anal. Methods, 2013, 5, 705
    DOI: 10.1039/C2AY25535A

Search articles by author

Spotlight

Advertisements