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Homework Help: Mass Spectrometry of CCl4

  1. Nov 26, 2008 #1
    Just a question, does anyone know why the mass spectrum of CCl4 does not have a molecular ion peak at 152? But instead it appears at 117.
  2. jcsd
  3. Nov 27, 2008 #2


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    Staff: Mentor

    152-117=35, obviously once it gets ionized it immediately looses one chlorine atom. But that's just logic, can't say I know much about MS.
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