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15 August 2003 Diffuse reflectance spectroscopy of chemical agent simulants in a soil matrix
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Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) is employed to measure the spectral properties of a chemical agent simulant, ethyl methylphosphonate (EMPA) mixed with soil. DRIFTS is a quantitative technique that provides information about the intensity of vibrational absorption bands from the analyte in terms of the Kubelka-Munk model. The spectral properties of the neat oil, the soil matrix, and mixtures of the two over a range of relative proportions will be presented and discussed vis-a-vis the surface contamination detection problem.
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Alan C. Samuels, Barry R. Williams, Ronald W. Miles Jr., Changjiang Zhu, and Avishai Ben-David "Diffuse reflectance spectroscopy of chemical agent simulants in a soil matrix", Proc. SPIE 5085, Chemical and Biological Sensing IV, (15 August 2003);


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