Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 131, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2020.116023
Keywords
Homemade explosives; Fuel-oxidizer mixture explosives; Black powders; Black powder substitutes; Pyrotechnics; Propellants; Explosives detection; Security; Forensic science
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Funding
- National Institute of Standards and Technology National Research Council Research Postdoctoral Associateship Award
- U.S. Department of Homeland Security's Science and Technology Directorate [IAA FTEN-18-00014]
- National Institute of Standards and Technology
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The chemical analysis of homemade explosives (HMEs) and improvised explosive devices (IEDs) remains challenging for fieldable analytical instrumentation and sensors. Complex explosive fuel-oxidizer mixtures, black and smokeless powders, flash powders, and pyrotechnics often include an array of potential organic and inorganic components that present unique interference and matrix effect difficulties. The widely varying physicochemical properties of these components as well as external environmental interferents and background challenge many sampling and sensing modalities. This review provides perspective on these emerging challenges, critically discusses developments in sampling, sensors, and instrumentation, and showcases advancements for the trace detection of inorganic-based explosives. Published by Elsevier B.V.
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