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Ion mobility spectrometry (IMS) is a widely used method for detecting low ppb-level concentrations of hazardous compounds, such as chemical warfare agents, explosives, and pollutants in air. Simple instrumentation combined with high sensitivity and high selectivity are major advantages of this technique. We are currently developing a miniaturized low-cost IMS that can be used in various applications,...
In this paper we present an optimized design of our miniaturized ion mobility spectrometer. It has significantly improved analytical capabilities compared to our previous prototypes, and it can be manufactured at low cost by simply stacking four easy-to-manufacture parts. Different gases were measured down to low ppb-level concentrations in air to demonstrate the analytical performance. The system...
Ion mobility spectrometry (IMS) is a well-known method for detecting hazardous compounds in air. Detection limits in the very low ppb range and fast response times of just a few seconds make this technique more and more popular. Typical applications are the detection of chemical warfare agents, toxic industrial compounds, explosives and drugs. This paper describes the concept and preliminary results...
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