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Trends in explosive contamination.

Jimmie C Oxley1, James L Smith, Elmo Resende

  • 1Chemistry Department, University of Rhode Island, Kingston, RI 02881, USA.

Journal of Forensic Sciences
|April 1, 2003
PubMed
Summary
This summary is machine-generated.

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This study quantified explosive residue from common explosives like TNT and RDX. PETN sheet and C-4 plastic explosives showed minimal residue, suggesting lower detection risk in real-world searches.

Area of Science:

  • Forensic Science
  • Analytical Chemistry
  • Explosives Detection

Background:

  • Accurate quantification of explosive residue is crucial for effective detection strategies.
  • Understanding residue spillage and adhesion properties informs search protocols for clandestine explosives.

Purpose of the Study:

  • To determine the approximate amount of explosive residue left after handling various explosives.
  • To evaluate the spillage potential and surface adhesion characteristics of different explosive types and forms.

Main Methods:

  • Quantified inadvertent residue left on surfaces (work area, hands, containers) after weighing/cutting explosives.
  • Assessed explosive adhesion to glass by measuring residue inside vials after vigorous tapping.
  • Tested multiple explosives including TNT, TATP, HMX, AN, RDX, and PETN in various physical forms.

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Main Results:

  • Most powdered explosives (TNT, PETN, RDX, HMX, TATP) displayed similar spillage and glass adhesion.
  • PETN in sheet form and plasticized RDX (C-4) exhibited significantly lower spillage and adhesion.
  • These findings indicate reduced surface contamination potential for specific explosive formulations.

Conclusions:

  • The physical form of an explosive greatly influences its residue characteristics.
  • Sheet PETN and C-4 present a lower risk of surface contamination compared to their powdered counterparts.
  • Results aid in refining detection methods and understanding the persistence of explosive traces.