Chemical detection system and method
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United States of America Patent
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Apr 3, 2012
Grant Date -
Mar 22, 2012
app pub date -
Jan 16, 2009
filing date -
May 14, 2007
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Abstract
The exemplary embodiments provide a method, system, and device for identifying chemical species in a sample. According to one embodiment, the method, system, and device may include introducing a sample gas into a differential ion mobility device, ionizing at least a portion of the sample gas to generate at least one ion species, filtering the at least one ion species between a pair of filter electrodes, generating a detection signal in response to the at least one ion species depositing a charge on a collector electrode, and detecting a spectral peak associated with the at least one ion species.
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