Please help me with my IMS setup

  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. Astronuc

    Staff: Mentor

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