Difference between revisions of "Double-focusing mass spectrometer"

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|def=[[Mass spectrometer]] that incorporates a [[magnetic sector]] and an [[electric sector]] connected in series in such a way that [[ion]]s with the same ''[[m/z]]'' but with distributions in both the direction and the translational energy of their motion are brought to a focus.
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'''double-focusing mass spectrograph'''
  
== [[Orange Book]] Entry ==
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An instrument which uses both direction and velocity focusing, and therefore an ion beam initially diverging in direction and containing ions of different kinetic energies is separated into beams according to the quotient mass/charge, these beams being focused on to a photographic plate or film.
  
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Source:
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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
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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.
 
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.
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[[Category:M/z Separation]]
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[[Category:General]]
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{{DEFAULTSORT:Double-Focusing Mass Spectrometer}}
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[[Category:Orange Book term]]

Latest revision as of 01:44, 18 June 2013

IUPAC RECOMMENDATIONS 2013
Double-focusing mass spectrometer
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.
Related Term(s):
Reference(s):

IUPAC. Analytical Division. Compendium of Analytical Nomenclature (the Orange Book). Definitive Rules, 1979. Compiled by J. Inczédy, T. Lengyel, A. M. Ure. Blackwell Scientific Publications, Oxford (1997). On-line corrected version: http://www.iupac.org /publications/analytical compendium (2000).

IUPAC. Compendium of Chemical Terminology, 2nd ed. (the Gold Book). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins.

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

Index of Recommended Terms

 




Gold Book

GOLD BOOK DEFINITION

IUPAC. Compendium of Chemical Terminology, 2nd ed. (the Gold Book). Compiled by A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997).

Double-focusing mass spectrometer

double-focusing mass spectrograph

An instrument which uses both direction and velocity focusing, and therefore an ion beam initially diverging in direction and containing ions of different kinetic energies is separated into beams according to the quotient mass/charge, these beams being focused on to a photographic plate or film.

Source: 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

IUPAC Gold Book
Index of Gold Book Terms


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