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Alkali‐metal ion/molecule association reactions and their applications to mass spectrometry
Author(s) -
Fujii Toshihiro
Publication year - 2000
Publication title -
mass spectrometry reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.035
H-Index - 126
eISSN - 1098-2787
pISSN - 0277-7037
DOI - 10.1002/1098-2787(200005/06)19:3<111::aid-mas1>3.0.co;2-k
Subject(s) - chemistry , alkali metal , mass spectrometry , affinities , ion , reaction mechanism , molecule , inorganic chemistry , computational chemistry , organic chemistry , stereochemistry , chromatography , catalysis
This review will be concerned primarily with thermal alkali‐metal ion association reactions of the general type: A + + M + N ⇌ (A + M) + + N. Where A denotes a positively charged alkali metal ion, M is neutral species and N works as a third body. As indicated, most association reactions are reversible, and the AM bond derives primarily from electrostatic forces whose energy (affinity) is typically 50 kcal/mol or less, often much less. The review includes reaction mechanism, instrumentation, and application to mass spectrometry, together with reaction rates and alkali ion affinities of the classified compounds. © 2000 John Wiley & Sons, Inc., Mass Spec Rev 19: 111–138, 2000