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|  | {{DefName|
 |  | #REDIRECT [[Quasi-molecular ion]] | 
|  | This term is not recommended. See [[protonated molecule]].}}
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|  | <!-- Orange Book -->
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|  | {{orange|
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|  | A term used to represent a [[protonated molecule]] or an ion formed from a [[molecular ion]] by loss of a hydrogen atom.
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|  | }}
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|  | == Gold Book term ==
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|  | {{gold|
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|  | http://goldbook.iupac.org/Q05000.html
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|  | A protonated molecule or an ion formed from a molecular ion by loss of a hydrogen atom. The use of the term 'pseudo-molecular ion' is not recommended.
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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 1550
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|  | }}
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|  | == See also ==
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|  | *[[Protonated Molecule]]
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|  | *[[Pseudo-molecular ion]]
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|  | [[Category:Ions]]
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|  | [[Category:Orange Book term]]
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|  | {{DEFAULTSORT:Quasi-Molecular Ion}}
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