associative ionization

in mass spectrometry
https://doi.org/10.1351/goldbook.A00475
This occurs when two excited gaseous atoms or molecular moieties interact and the sum of their internal energies is sufficient to produce a single, @A00134@ ionic product.
See also:
chemi-ionization (in mass spectrometry)
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 [Terms] [Paper]
Citation: 'associative ionization' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.A00475 RIS BibTex EndNote
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Last revised: October 7, 2008