Difference between revisions of "Double-focusing mass spectrometer"

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[[Mass spectrometer]] that incorporates a [[magnetic sector]] and an [[electric sector]] connected in series in such a way that ions with the same ''[[m/z]]'' but with distributions in both the direction and the translational energy of their motion are brought to a focus at a point.
 
[[Mass spectrometer]] that incorporates a [[magnetic sector]] and an [[electric sector]] connected in series in such a way that ions with the same ''[[m/z]]'' but with distributions in both the direction and the translational energy of their motion are brought to a focus at a point.
 
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{{DefName|A [[mass spectrometer]] that uses a [[magnetic sector]] for ''[[m/z]]'' focusing and an [[electric sector]] for energy focusing of an ion beam.}}
 
  
 
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Orange Book

ORANGE BOOK DEFINITION

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979.

Double-focusing mass spectrometer

An instrument that uses both direction and velocity focusing so that an ion beam initially diverging and containing ions of different energies is separated into beams according to the mass/charge ratio. The ion beam is measured electrically.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book Terms