double-focusing mass spectrometer

https://doi.org/10.1351/goldbook.D01845
An instrument which uses both direction and velocity focusing, and therefore an ion beam of a given mass/charge is brought to a focus when the ion beam is initially diverging and contains ions of the same mass and charge with different translational energies. The ion beam is measured electrically.
Sources:
Orange Book, 2nd ed., p. 201 [Terms] [Book]
PAC, 1991, 63, 1541. (Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)) on page 1545 [Terms] [Paper]
Citation: 'double-focusing mass spectrometer' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.D01845 RIS BibTex EndNote
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Last revised: February 24, 2014