Mass Spectrometry Ionization Method

There are many types of ionization methods are used in mass spectrometry methods. The classic methods that most chemists are familiar with are electron impact (EI) and Fast Atom Bombardment (FAB). These techniques are not used much with modern mass spectrometry except EI for environmental work using GC-MS. More modern techniques of atmospheric pressure chemical Ionization (APCI), electrospray ionization (ESI), matrix-assisted laser desorption ionization (MALDI) and other derivative methods have taken their place in the mass spectrometry laboratory.

  • Electron Impact ionization (EI)
  • Electrospray ionization (ESI)
  • Fast Atom Bombardment (FAB)
  • Atmospheric Pressure Chemical Ionization (APCI)
  • Matrix Assisted Laser Desorption Ionization (MALDI)

There are many types of ionization methods are used in mass spectrometry methods. The classic methods that most chemists are familiar with are electron impact (EI) and Fast Atom Bombardment (FAB). These techniques are not used much with modern mass spectrometry except EI for environmental work using GC-MS. More modern techniques of atmospheric pressure chemical Ionization (APCI), electrospray ionization (ESI), matrix-assisted laser desorption ionization (MALDI) and other derivative methods have taken their place in the mass spectrometry laboratory.

  • Electron Impact ionization (EI)
  • Electrospray ionization (ESI)
  • Fast Atom Bombardment (FAB)
  • Atmospheric Pressure Chemical Ionization (APCI)
  • Matrix Assisted Laser Desorption Ionization (MALDI)

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