3 June 2011 Polarimetry and infrared spectroscopy in the detection of low-volatility chemical threats
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Abstract
The polarization modulation infrared reflection absorption spectroscopy (PMIRRAS) spectra of the nerve agents GB (O-isopropyl methylphosphonofluoridate) and GF (cyclohexyl methylphoshonofluoridate) were recorded for the first time. A comparison of these spectra with the nerve agent VX (ethyl S-2-diisopropylaminoethyl methylphosphonothiolate) and the spectra of some trialkyl phosphates indicates that it is easy to distinguish between chemical warfare agents and simulants on militarily-relevant surfaces using PMIRRAS.
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Michael W. P. Petryk, Armando J. Marenco, "Polarimetry and infrared spectroscopy in the detection of low-volatility chemical threats", Proc. SPIE 8018, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XII, 80180O (3 June 2011); doi: 10.1117/12.887209; https://doi.org/10.1117/12.887209
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