Published October 18, 2013
| public
Journal Article
Novel Applications of Knudsen Effusion Mass Spectrometry
Chicago
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Abstract
Knudsen effusion mass spectrometry (KEMS) is a valuable and versatile tool in physical chemistry, materials science, and geology. Most of the applications center on thermodynamic measurements. In this paper two novel applications of KEMS are discussed. The first is the determination of K isotope ratios for application to K-Ar dating. The second is the determination of silica thermodynamic activities in silicates via a reducing agent to increase signals without changing the condensed phase composition. This also involves the measurement of vaporization coefficient via a multi-cell KEMS method.
Additional Information
© 2013 ECS - The Electrochemical Society. It is a pleasure to thank Dr. Evan Copland, formerly at NASA GRC, now with CSIRO, Sydney, Australia for his design of the multiple cell flange and many contributions to high temperature mass spectrometry at the Glenn Research Center.Additional details
- Eprint ID
- 89633
- DOI
- 10.1149/05803.0003ecst
- Resolver ID
- CaltechAUTHORS:20180914-100810777
- Created
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2018-09-14Created from EPrint's datestamp field
- Updated
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2021-11-16Created from EPrint's last_modified field
- Caltech groups
- Division of Geological and Planetary Sciences (GPS)