Problem 13.4

a) Right or wrong?

  1. DART yields only positive ions.
  2. DART always produces radical ions.
  3. DART is suitable for samples on surfaces.
  4. DART can be used to analyze samples in the gas phase.
  5. The acronym DART reflects the mechanism of ionization.

b) DESI and DART are not the only methods of ambient MS. There is an ongoing development leading to related approaches. Name a few of these alternative methods.

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