Difference between revisions of "Precursor ion"

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Ion that reacts to form particular [[product ion]]s. The reaction can be unimolecular dissociation, ion/molecule reaction, isomerization, or change in charge state.
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'''precursor ion'''
  
The term [[parent ion]] is deprecated.
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'''[[progenitor ion]]'''
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'''Deprecated''': [[parent ion]].
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[[Ion]] that reacts to form particular [[product ion]]s or undergoes specified neutral losses. The reaction can be of different types including unimolecular dissociation, [[ion/molecule reaction]], change in charge state, possibly preceded by isomerization.
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<!-- Orange Book -->
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{{orange|
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Synonymous with parent ion. Instead of the use of parent ion and daughter ion terms the precursor and product ion terms are preferred respectively.
 
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http://goldbook.iupac.org/P04807.html
  
== Orange Book entry ==
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Synonymous with [[parent ion]].
{{Orange|
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Synonymous with parent ion. Instead of the use of parent ion and daughter ion terms the precursor and product ion terms are preferred respectively.
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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 1549
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[[Orange Book]], p. 205
 
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== See also ==
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{{daughter}}
*[[Product ion]]
 
  
 
[[Category:Ions]]
 
[[Category:Ions]]
 
{{DEFAULTSORT:Precursor Ion}}
 
{{DEFAULTSORT:Precursor Ion}}
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[[Category:Orange Book term]]

Latest revision as of 03:20, 8 January 2014

IUPAC RECOMMENDATIONS 2013
Precursor ion
precursor ion

progenitor ion

Deprecated: parent ion.

Ion that reacts to form particular product ions or undergoes specified neutral losses. The reaction can be of different types including unimolecular dissociation, ion/molecule reaction, change in charge state, possibly preceded by isomerization.

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.

P. Price. J. Am. Soc. Mass Spectrom. 2, 336 (1991). (http://dx.doi.org/10.1016/1044-0305(91)80025-3 )

M. Bursey. Mass Spectrom. Rev. 10, 1 (1991). (http://dx.doi.org/10.1002/mas.1280100102 )

J. Adams. J. Am. Soc. Mass Spectrom. 3, 473 (1992). (http://dx.doi.org/10.1016/1044-0305(92)87078-D )

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.

Precursor ion

Synonymous with parent ion. Instead of the use of parent ion and daughter ion terms the precursor and product ion terms are preferred respectively.

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).

Precursor ion

http://goldbook.iupac.org/P04807.html

Synonymous with parent ion.

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

Orange Book, p. 205

IUPAC Gold Book
Index of Gold Book Terms


Daughter ion and related terms

QUOTED TEXT FROM IUPAC RECOMMENDATIONS 2013
The anthropomorphic terms for ions involved in fragmentation reactions, for example, daughter ion, have fallen into disuse after strong sentiments against the use of the term were voiced two decades ago [1][2]. The term product ion is recommended in place of daughter ion and precursor ion in place of parent ion. The use of nth-generation product ion is recommended in place of granddaughter ion and similar terms.
From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.