Please help me with my IMS setup

  1. Sep 24, 2010 #1
    I have built an IMS setup to detect explorsives such as RDX,PETN,etc. the setup can have the RDX and PETN spectra even in a much low concentration,but when for TNT detection,it fails to have any spectra.I want to know why?
    using a DC corona discharge as an ion source
    Last edited: Sep 24, 2010
  2. jcsd
  3. Sep 24, 2010 #2


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    Staff: Mentor

    Try searching Google with "Ion mobility spectrometry, IMS, TNT" and check the journal articles that appear.
  4. Sep 25, 2010 #3
    sorry,can not find the reasons,may be,something wrong in the drift tube,something in the tube quenching the ions?
  5. Sep 28, 2010 #4
    thank you GOD!I got the answer
  6. Feb 10, 2011 #5
    Would be nice of you to share the answer for us rabid researchers
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