Chemical ionization: Difference between revisions

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{{Def2|
{{Final
Formation of a new ion in the gas phase by the reaction of a neutral species with an ion. The process may involve transfer of an electron, a proton or other charged species between the reactants.  
|acronym=
|def=Formation of a new [[ion]] in the gas phase by the reaction of a neutral with an ion. The process may involve transfer of an electron, a proton, or other charged species between the reactants.
:Note 1: When a positive ion results from chemical ionization, the term may be used without qualification. When a negative ion results, the term negative ion chemical ionization should be used.
:Note 2: This term is not synonymous with [[chemi-ionization]].
|rel=[[atmospheric pressure chemical ionization]]
|ref={{obgb}}
{{psims}}1000071
}}
 
<!-- Orange Book -->
{{orange|
Describes the process whereby new ionized species are formed when gaseous molecules interact with ions. The process may involve transfer of an electron, a proton or other charged species between the reactants. When a positive ion results from chemical ionization the term may be used without qualification. When a negative ion results the term negative ion chemical ionization should be used. Note that this term is not synonymous with [[chemi-ionization]], nor with [[Negative Chemical Ionization|negative chemical ionization]].
}}
 
<!-- Gold Book -->
{{gold|
http://goldbook.iupac.org/C01026.html
 
This concerns the process whereby new ionization species are formed when gaseous molecules interact with ions. The process may involve transfer of an electron, proton or other charged species between the reactants. When a positive ion results from chemical ionization, the term may be used without qualification. When a negative ion is involved, the term negative ion chemical ionization should be used; note that negative ion formation by attachment of a free electron does not fall within this definition. Chemical ionization and chemi-ionization are two terms which should not be used interchangeably.
See: electron attachment
 
See also: chemi-ionization
 
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 1547


Note 1: When a positive ion results from chemical ionization the term may be used without qualification. When a negative ion results the term [[negative ion chemical ionization]] should be used.  
Orange Book, p. 204


Note 2: this term is not synonymous with [[chemi-ionization]].
PAC, 1990, 62, 2167 (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2179
}}
}}


 
{{psi|
== Orange Book entry ==
|def=The formation of a new ion by the reaction of a neutral species with an ion. The process may involve transfer of an electron, a proton or other charged species between the reactants. When a positive ion results from chemical ionization the term may be used without qualification. When a negative ion results the term negative ion chemical ionization should be used. Note that this term is not synonymous with chemi-ionization. [database_cross_reference: PSI:MS]
{{orange|
|sup=ionization type
Describes the process whereby new ionized species are formed when gaseous molecules interact with ions. The process may involve transfer of an electron, a proton or other charged species between the reactants. When a positive ion results from chemical ionization the term may be used without qualification. When a negative ion results the term negative ion chemical ionization should be used. Note that this term is not synonymous with [[chemi-ionization]], nor with [[Negative Chemical Ionization|negative chemical ionization]].
|id=MS:1000071
|anno=has_exact_synonym: [[CI]]
}}
}}


== External links ==
==External links==
*[http://www.asms.org/whatisms/index.html ASMS What is MS?]: [http://www.asms.org/whatisms/p11.html What Other Techniques are used to Produce Ions?]
{{wplink}}
*[[Wikipedia:Chemical ionization]]


[[Category:Ionization]]
[[Category:Ionization]]
{{DEFAULTSORT:Chemical Ionization}}
{{DEFAULTSORT:Chemical Ionization}}
[[Category:Orange Book term]]

Revision as of 21:23, 9 May 2016

IUPAC RECOMMENDATIONS 2013
Chemical ionization
Formation of a new ion in the gas phase by the reaction of a neutral with an ion. The process may involve transfer of an electron, a proton, or other charged species between the reactants.
Note 1: When a positive ion results from chemical ionization, the term may be used without qualification. When a negative ion results, the term negative ion chemical ionization should be used.
Note 2: This term is not synonymous with chemi-ionization.
Related Term(s): atmospheric pressure chemical ionization
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.

PSI-MS: MS:{{{1}}}1000071

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)

Chemical ionization

Describes the process whereby new ionized species are formed when gaseous molecules interact with ions. The process may involve transfer of an electron, a proton or other charged species between the reactants. When a positive ion results from chemical ionization the term may be used without qualification. When a negative ion results the term negative ion chemical ionization should be used. Note that this term is not synonymous with chemi-ionization, nor with negative chemical ionization.

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).

Chemical ionization

http://goldbook.iupac.org/C01026.html

This concerns the process whereby new ionization species are formed when gaseous molecules interact with ions. The process may involve transfer of an electron, proton or other charged species between the reactants. When a positive ion results from chemical ionization, the term may be used without qualification. When a negative ion is involved, the term negative ion chemical ionization should be used; note that negative ion formation by attachment of a free electron does not fall within this definition. Chemical ionization and chemi-ionization are two terms which should not be used interchangeably. See: electron attachment

See also: chemi-ionization

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 1547

Orange Book, p. 204

PAC, 1990, 62, 2167 (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2179

IUPAC Gold Book
Index of Gold Book Terms


Proteomics Standards Initiative Term
Chemical ionization
The formation of a new ion by the reaction of a neutral species with an ion. The process may involve transfer of an electron, a proton or other charged species between the reactants. When a positive ion results from chemical ionization the term may be used without qualification. When a negative ion results the term negative ion chemical ionization should be used. Note that this term is not synonymous with chemi-ionization. [database_cross_reference: PSI:MS]
Superclasses: ionization type
ID: MS:MS:1000071

Synonym: [[ {{{syn}}} ]]

has_exact_synonym: CI

Full list of terms | PSI Terms
 


External links

WIKIPEDIA ARTICLE
This term has a corresponding Wikipedia article: Chemical ionization