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Remote identification of chemicals concealed behind clothing using near infrared spectroscopy
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Canal, Céline M., Saleem, Aamer, Green, Roger and Hutchins, David A. (2011) Remote identification of chemicals concealed behind clothing using near infrared spectroscopy. Analytical Methods, Volume 3 (Number 1). pp. 84-91. doi:10.1039/c0ay00386g
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Official URL: http://dx.doi.org/10.1039/c0ay00386g
Abstract
Measurements are presented which demonstrate that near infrared (NIR) spectroscopy can be used to identify chemicals concealed behind clothing. This has been achieved for detector stand-off distances of 3 m. The optical properties of a range of clothing materials have been investigated, and the transmission of NIR signals found to be sufficient for spectroscopy. The study has shown that granular solid materials can be identified when hidden behind a layer of clothing. Examples of chemicals used in this study include ammonium nitrate and other ammonium salts. Details of the current measurements and results are given, together with suggestions for increasing detection sensitivity.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Infrared detectors, Near infrared spectroscopy, Explosives -- Detection, Security systems, Raman spectroscopy | ||||
| Journal or Publication Title: | Analytical Methods | ||||
| Publisher: | Royal Society of Chemistry | ||||
| ISSN: | 1759-9660 | ||||
| Official Date: | January 2011 | ||||
| Dates: |
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| Volume: | Volume 3 | ||||
| Number: | Number 1 | ||||
| Page Range: | pp. 84-91 | ||||
| DOI: | 10.1039/c0ay00386g | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Great Britain. Home Office. Scientific Development Branch (HOSDB) |
Data sourced from Thomson Reuters' Web of Knowledge
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