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Investigation of dimethyl methylphosphonate (DMMP) with an Ion mobility spectrometer using a pulsed electron source

  • Original Research
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International Journal for Ion Mobility Spectrometry

Abstract

Ion mobility spectrometry (IMS) has been an important tool for decades in the field of trace gas analysis of substances such as explosives, drugs of abuse or chemical warfare agents. In recent years, its application has been extended to more complex set ups. In this paper we present the application of a standard IMS device equipped with a novel pulsed electron gun for ionization in the investigation of the chemical warfare agent simulant dimethyl methylphosphonate (DMMP). The signal decay times of the reactant ion peak (RIP), the DMMP monomer and dimer have been investigated. Thus, further information could be obtained of the innovative application of different signal decay times in order to filter out signals of contaminants with focus on the decay dependence on the concentration. Additionally, further details regarding the still not fully understood underlying decay mechanisms have been found.

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Authors and Affiliations

  1. Physics Department, German University in Cairo, Entrance El Tagamoa El Khames, New Cairo City, Cairo, Egypt

    Frank Gunzer

  2. Research Unit, Drägerwerk AG & Co. KGaA, Moislinger Allee 53–55, 23542, Lübeck, Germany

    Wolfgang Baether

  3. Institute of Electrical Engineering and Measurement Technology, Leibniz University Hannover, Appelstr. 9a, 30167, Hannover, Germany

    Stefan Zimmermann

Authors
  1. Frank Gunzer
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  2. Wolfgang Baether
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  3. Stefan Zimmermann
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Corresponding author

Correspondence to Frank Gunzer.

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Gunzer, F., Baether, W. & Zimmermann, S. Investigation of dimethyl methylphosphonate (DMMP) with an Ion mobility spectrometer using a pulsed electron source. Int. J. Ion Mobil. Spec. 14, 99–107 (2011). https://doi.org/10.1007/s12127-011-0065-x

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  • DOI: https://doi.org/10.1007/s12127-011-0065-x

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