How does the ion detector work?





      In all mass spectrometers other than FT-ICR instruments, the 
ions are  detected after mass analysis by converting the detector-surface collision 
energy of the ions into emitted ions, 
electrons, or photons that are then sensed with various light or charge detectors. 
In FT-ICR mass spectrometers the oscillating signal induced by orbiting ions in 
the detect plates is used for ion detection.




       
                     
                  
                    
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