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ION MOBILITY SPECTROMETER CLEAR-DOWN

  • US 20130298938A1
  • Filed: 10/27/2011
  • Published: 11/14/2013
  • Est. Priority Date: 10/27/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a clear-down trigger; and

    fast clearing-down an ion mobility spectrometer, responsive to receipt of the clear-down trigger, to remove residual sample accumulated during previous analysis of a sample, wherein clearing-down is performed by fast-switching between positive and negative modes to purge the residual sample from the ion mobility spectrometer.

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