Problem 3.2

a) Decide: right or wrong?

  • Isotopic patterns depend on the elemental composition of an ion.
  • Isotopic patterns depend on the ionization method used.
  • The monoisotopic peak is always the most abundant peak within an isotopic pattern.
  • The monoisotopic peak is always the peak of lowest m/z within an isotopic pattern.
  • Isotopic distributions depend on the charge state of an ion.
  • The charge state of an ion can be determined from the distance of isotopic peaks.

b) Do you memorize the isotopic compositions of fluorine, chlorine, bromine, and iodine?


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