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Proceedings Paper

Liquid explosive detection from outside of the bottle by NIR
Author(s): Hideo Itozaki; Yuji Yamauchi
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Paper Abstract

Liquid explosives have recently been used in terrorism. Inspection of bottles has become very important, because these liquid explosives and their raw materials can be easily carried in bottles. Hydrogen peroxide is a typical raw material of liquid explosives. It was difficult to evaluate the concentration of hydrogen peroxide a bottled drink, because of the similarity of its optical properties to those of water. Using the near-infrared spectrum and multivariate statistical analysis, concentrations of a percent order of hydrogen peroxide can be evaluated from outside of the bottle instantly. Hydrogen peroxide has been detected not only in clear PET or glass bottles but also in colored glass bottles. Hydrogen peroxide mixed with soft drink such as coke or orange juice with pulp was also easily detected by this method. This technique can be applied to the inspection of bottles at airport security and so on.

Paper Details

Date Published: 17 September 2009
PDF: 10 pages
Proc. SPIE 7484, Optically Based Biological and Chemical Detection for Defence V, 748405 (17 September 2009); doi: 10.1117/12.830333
Show Author Affiliations
Hideo Itozaki, Osaka Univ. (Japan)
Yuji Yamauchi, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 7484:
Optically Based Biological and Chemical Detection for Defence V
John C. Carrano; Charles J. Collins, Editor(s)

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