Quadrupole Mass Filter
Ion Trap Mass Filter
Ion Cyclotron Resonance Mass Spectrometer
Time of Flight mass spectrometer
Sector-Field mass spectrometer
Summary comparison of mass analyzers Quadrupole Ion Trap Sector ICR TOF Cost, size ++ ++ - -- + Beam size + - ++ - -- Mass resolution - - + +++ + Efficiency - - - ++ ++ Quantitation ++ - ++ - +
Dispersion and resolution
Nier geometry magnet
Has a curved focal (image) plane
‘Z’ focusing
Extended Geometry
A double-focusing spectrometer
Abundance sensitivity
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