Unimolecular dissociation

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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):

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.

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