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What is the activity quantity, for a experiment?

  1. Nov 13, 2014 #1
    I will do an experiment with a radiotracer,99Tc. The detector is NaI 1"*1".
    But I don't know how much of the radiotracer is nedded?
     
  2. jcsd
  3. Nov 13, 2014 #2

    Doug Huffman

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    Gold Member

    Solve mass specific activity for the detector's minimum detectable activity.
     
  4. Nov 13, 2014 #3
    thank you. please more explain, with details.
     
  5. Nov 13, 2014 #4

    mfb

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    2016 Award

    Staff: Mentor

    To be more specific, you'll have to describe the experiment first. What do you want to measure where?
     
  6. Nov 13, 2014 #5
    thank you. I will measure the residence time distribution in a straight pipe(2 meter). But I don't know how much of the radiotracer is needed
     
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