Double-focusing mass spectrometer

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DRAFT DEFINITION
Double-focusing mass spectrometer
A mass spectrometer that uses a magnetic sector for m/z focusing and an electric sector for energy focusing of an ion beam.
Considered between 2004 and 2006 but not included in the 2006 PAC submission
This is an unofficial draft definition presented for information and comment.

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Orange Book

ORANGE BOOK DEFINITION

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979 (see also Orange Book 2023)

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



ASMS TERMS AND DEFINITIONS POSTER ENTRY
Double-focusing mass spectrometer

A combination of direction and velocity focusing in sector instruments used to achieve high resolution.

ASMS Terms and Definitions Poster