Dissertation
Liquid phase ion mobility spectrometry
Washington State University
Doctor of Philosophy (PhD), Washington State University
12/2006
DOI:
https://doi.org/10.7273/000005657
Abstract
Liquid phase ion mobility spectrometry was developed as a novel analytical separation method, by replacing the drift gas with a non-electrolyte containing liquids. Preliminary studies demonstrated that liquid phase ion mobility spectrometry was achievable. A miniaturized liquid phase ion mobility spectrometer obtained a similar resolving power as a gas phase ion mobility spectrometer ten times its size. A new ionization source, called electrodispersion ionization, was introduced. The non-radioactive electrodispersion ionization source produced liquid phase ions in non-electrolytic liquid medium. Visualization of the electrodispersion ionization process showed electrodispersed droplets of aqueous sample. Exploration of the sample flow rate established the pulsing controllability of electrodispersion ionization. Pulsed electrodispersion ionization source was developed and evaluated for liquid phase ion mobility spectrometry. Results demonstrated the capability of pulsed electrodispersion ionization as a multipurpose ionization source for liquid phase ion mobility spectrometry, merging three important instrumental processes into a single source: sample introduction, sample ionization, and pulsed ion injection.
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Details
- Title
- Liquid phase ion mobility spectrometry
- Creators
- Maggie Tam
- Contributors
- Herbert H. Hill (Chair)William F Siems (Committee Member) - Washington State University, Department of ChemistryJames O. Schenk (Committee Member)
- Awarding Institution
- Washington State University
- Academic Unit
- Department of Chemistry
- Theses and Dissertations
- Doctor of Philosophy (PhD), Washington State University
- Publisher
- Washington State University
- Number of pages
- 216
- Identifiers
- 99901054531501842
- Language
- English
- Resource Type
- Dissertation