Evaluation Of Graphite Furnace Atomic Absorption Spectrometry For The Analysis Of Gunshot Residue

T. C. Rains; I. L. Barnes

doi:10.1117/12.955477

20 September 1977 Evaluation Of Graphite Furnace Atomic Absorption Spectrometry For The Analysis Of Gunshot Residue

T. C. Rains, I. L. Barnes

Proceedings Volume 0108, Optics in Security and Law Enforcement I; (1977) https://doi.org/10.1117/12.955477
Event: 1977 SPIE/SPSE Technical Symposium East, 1977, Reston, United States

Abstract

Forensic scientists have been, for several years, seeking a rapid, sensitive and relatively inexpensive analytical method for the quantitative determination of trace elements in gunshot residues. The "Paraffin Test" was introduced in 1935 and used for many years to identify deposits of nitrate and nitrites associated with gunshot residues. However, in recent years, the reliability of this technique has been questioned. Neutron activation has been applied to the determination of barium and antimony in gunshot residues. This technique has adequate sensitivity but has not gained widespread acceptance because of the expense and time required to complete the analysis.

Citation Download Citation

T. C. Rains and I. L. Barnes "Evaluation Of Graphite Furnace Atomic Absorption Spectrometry For The Analysis Of Gunshot Residue", Proc. SPIE 0108, Optics in Security and Law Enforcement I, (20 September 1977); https://doi.org/10.1117/12.955477

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