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Abdul-Karim N, Blackman CS, Gill PP, et al. The spatial distribution patterns of condensed phase post-blast explosive residues formed during detonation. J Hazard Mater. 2016;316:204-13doi: 10.1016/j.jhazmat.2016.04.081.
Abdul-Karim, N., Blackman, C. S., Gill, P. P., & Karu, K. (2016). The spatial distribution patterns of condensed phase post-blast explosive residues formed during detonation. Journal of hazardous materials, 316204-13. https://doi.org/10.1016/j.jhazmat.2016.04.081
Abdul-Karim, Nadia, et al. "The spatial distribution patterns of condensed phase post-blast explosive residues formed during detonation." Journal of hazardous materials vol. 316 (2016): 204-13. doi: https://doi.org/10.1016/j.jhazmat.2016.04.081
Abdul-Karim N, Blackman CS, Gill PP, Karu K. The spatial distribution patterns of condensed phase post-blast explosive residues formed during detonation. J Hazard Mater. 2016 Oct 05;316:204-13. doi: 10.1016/j.jhazmat.2016.04.081. Epub 2016 May 06. PMID: 27236429.
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J Hazard Mater. 2016 Oct 05;316:204-13. doi: 10.1016/j.jhazmat.2016.04.081. Epub 2016 May 06.

The spatial distribution patterns of condensed phase post-blast explosive residues formed during detonation.

Journal of hazardous materials

Nadia Abdul-Karim, Christopher S Blackman, Philip P Gill, Kersti Karu

Affiliations

  1. Department of Chemistry, University College London, WC1H 0AJ London, UK. Electronic address: [email protected].
  2. Department of Chemistry, University College London, WC1H 0AJ London, UK. Electronic address: [email protected].
  3. Centre for Defence Chemistry, Cranfield University, Shrivenham SN6 8LA, UK. Electronic address: [email protected].
  4. Department of Chemistry, University College London, WC1H 0AJ London, UK. Electronic address: [email protected].

PMID: 27236429 DOI: 10.1016/j.jhazmat.2016.04.081

Abstract

The continued usage of explosive devices, as well as the ever growing threat of 'dirty' bombs necessitates a comprehensive understanding of particle dispersal during detonation events in order to develop effectual methods for targeting explosive and/or additive remediation efforts. Herein, the distribution of explosive analytes from controlled detonations of aluminised ammonium nitrate and an RDX-based explosive composition were established by systematically sampling sites positioned around each firing. This is the first experimental study to produce evidence that the post-blast residue mass can distribute according to an approximate inverse-square law model, while also demonstrating for the first time that distribution trends can vary depending on individual analytes. Furthermore, by incorporating blast-wave overpressure measurements, high-speed imaging for fireball volume recordings, and monitoring of environmental conditions, it was determined that the principle factor affecting all analyte dispersals was the wind direction, with other factors affecting specific analytes to varying degrees. The dispersal mechanism for explosive residue is primarily the smoke cloud, a finding which in itself has wider impacts on the environment and fundamental detonation theory.

Copyright © 2016 The Authors. Published by Elsevier B.V. All rights reserved.

Keywords: Detonation; Dispersal; Explosive; Particle; Residue

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