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FT-IR analysis of chemical warfare agents

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Abstract

The qualitative and quantitative FT-IR analyses of dilute aqueous solutions of GA (tabun), GB (sarin), GD (soman), and VX were evaluated using the CIRCLE CELLTM. Infrared spectra were recorded using a Nicolet 60SX FT-IR spectrometer fitted with a liquid nitrogencooled MCTA detector. The CIRCLE CELLTM used a high pressure micro-flow-through sampling accessory fitted with a ZnSe internal reflection element. Peak heights were evaluated with the Nicolet SUPER QUANT program after spectral subtraction of the solvent. TheP=0 stretching absorption band, centered around 1240 cm−1 for theG-type agents and 1180 cm−1 for VX, produced good quantification. At a concentration of 2.0 mg/ml for theG-type agents and 1.0 mg/ml for VX, quantitative analysis produced coefficients of variation of 3% or less. The detection limit was observed to be around 0.1 mg/ml.

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References

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Authors and Affiliations

  1. Department of Chemistry, The Pennsylvania State University, 17237, Mont Alto, PA, USA

    Ernest H. Braue Jr.

  2. US Army Medical Research Institute of Chemical Defense, Building E-3100, 21010-5425, Aberdeen Proving Ground, MD, USA

    Michael G. Pannella

Authors
  1. Ernest H. Braue Jr.
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  2. Michael G. Pannella
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Additional information

This work was performed at the US Army Medical Research Institute of Chemical Defense and funded by the US Army Medical Research and Development Command under the provisions of the Intergovernmental Personnel Act of 1970 (P.L. 91-648).

The opinions or assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army or the Department of Defense

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Braue, E.H., Pannella, M.G. FT-IR analysis of chemical warfare agents. Mikrochim Acta 94, 11–16 (1988). https://doi.org/10.1007/BF01205828

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  • DOI: https://doi.org/10.1007/BF01205828

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