Difference between revisions of "Unimolecular dissociation"

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This term refers to a fragmentation from a state of which the molecularity is treated as one, irrespective of whether the state results from an unstable/metastable ion or from an ion/neutral species interaction.
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|def=[[Fragmentation reaction]] in which the molecularity of the reaction system is unity. The dissociation may arise from the extra energy acquired by a [[metastable ion]] produced in the [[ion source]] or that provided by [[collisional excitation]] of a [[stable ion]].
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|ref=P. J. Robinson, K. A. Holbrook. Unimolecular Reactions, John Wiley, New York (1972).
 
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[[Category:Reactions]]
 
[[Category:Reactions]]

Latest revision as of 19:42, 8 January 2014

IUPAC RECOMMENDATIONS 2013
Unimolecular dissociation
Fragmentation reaction in which the molecularity of the reaction system is unity. The dissociation may arise from the extra energy acquired by a metastable ion produced in the ion source or that provided by collisional excitation of a stable ion.
Related Term(s):
Reference(s):

P. J. Robinson, K. A. Holbrook. Unimolecular Reactions, John Wiley, New York (1972).

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