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Proceedings Paper

Application of an ion mobility spectrometer with pulsed ionisation source in the detection of dimethyl methylphosphonate and toluene diisocyanate
Author(s): Wolfgang Baether; Stefan Zimmermann; Frank Gunzer
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Paper Abstract

Ion mobility spectrometry (IMS) is a well known technique; offering small size and a sensitivity in the ppb range makes it a typical technique for the detection of explosives or chemical warfare agents. Ordinary IMS devices use in general a continuously working radioactive ionization source. We use a pulsed non-radioactive electron source for ionization which offers the innovative possibility of introducing delay times in between ionization and ion detection. The application and benefits of such a pulsed ionization source in the detection of the chemical warfare agent simulant dimethyl methylphosphonate (DMMP) and the toxic toluene diisocyanate (TDI) will be demonstrated.

Paper Details

Date Published: 12 May 2011
PDF: 10 pages
Proc. SPIE 8032, Next-Generation Spectroscopic Technologies IV, 80320K (12 May 2011); doi: 10.1117/12.883689
Show Author Affiliations
Wolfgang Baether, Draegerwerk AG & Co. (Germany)
Stefan Zimmermann, Leibniz Univ. Hannover (Germany)
Frank Gunzer, The German Univ. in Cairo (Egypt)

Published in SPIE Proceedings Vol. 8032:
Next-Generation Spectroscopic Technologies IV
Mark A. Druy; Richard A. Crocombe, Editor(s)

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