Ion Mobility -Mass Spectrometry: An Overview
Résumé
Ion mobility spectrometry is increasingly often coupled to mass spectrometry measurements, either for separation purposes or to assist compound identification. This chapter introduces basic definitions and concepts underlying ion mobility spectrometry. The definition of "collision cross-sections" as used in ion mobility spectrometry is also discussed, with a cautious note that the IUPAC definition is not entirely suited to describe the physical quantity on which ion mobility depends. Finally, the types of ion mobility analyzers most commonly encountered in contemporary commercial ion mobility-mass spectrometers are introduced and compared.
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