Metastable ion: Difference between revisions

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|def=[[Ion]] formed with internal energy higher than the threshold for dissociation but with a lifetime great enough to allow it to exit the [[ion source]] and enter the [[mass analyzer]] region where it dissociates before detection.
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<!-- Orange Book -->
{{orange|
An ion which is formed with sufficient excitation to dissociate spontaneously during its flight from the ion source to the detector.
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== [[Orange Book]] Entry ==
<!-- Gold Book -->
{{gold|
http://goldbook.iupac.org/M03874.html


An ion which is formed with sufficient excitation to dissociate spontaneously during its flight from the ion source to the detector.
An ion which is formed with sufficient excitation to dissociate spontaneously during its flight from the ion source to the detector.


'''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 1549
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== Related Terms ==


[[Kinetic Energy Release Distribution]]
[[Category:Ions]]
[[Category:Reactions]]
[[Category:Orange Book term]]
{{DEFAULTSORT:Metastable Ion}}

Latest revision as of 21:11, 17 June 2013

IUPAC RECOMMENDATIONS 2013
Metastable ion
Ion formed with internal energy higher than the threshold for dissociation but with a lifetime great enough to allow it to exit the ion source and enter the mass analyzer region where it dissociates before detection.
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

 




Orange Book

ORANGE BOOK DEFINITION

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

Metastable ion

An ion which is formed with sufficient excitation to dissociate spontaneously during its flight from the ion source to the detector.

IUPAC 1997 Orange Book Chapter 12
Index of Orange Book 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).

Metastable ion

http://goldbook.iupac.org/M03874.html

An ion which is formed with sufficient excitation to dissociate spontaneously during its flight from the ion source to the detector.

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 1549

IUPAC Gold Book
Index of Gold Book Terms