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Novel Applications of Knudsen Effusion Mass Spectrometry

Jacobson, N. S. and Hurowitz, J. A. and Farley, K. A. and Asimow, P. D. and Cartwright, J. A. (2013) Novel Applications of Knudsen Effusion Mass Spectrometry. ECS Transactions, 58 (3). pp. 3-12. ISSN 1938-6737. https://resolver.caltech.edu/CaltechAUTHORS:20180914-100810777

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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.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1149/05803.0003ecstDOIArticle
ORCID:
AuthorORCID
Hurowitz, J. A.0000-0002-5857-8652
Farley, K. A.0000-0002-7846-7546
Asimow, P. D.0000-0001-6025-8925
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.
Issue or Number:3
Record Number:CaltechAUTHORS:20180914-100810777
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180914-100810777
Official Citation:Nathan S. Jacobson, Joel A. Hurowitz, Ken A. Farley, Paul D. Asimow, and Julia A. Cartwright (Invited) Novel Applications of Knudsen Effusion Mass Spectrometry ECS Trans. 2013 58(3): 3-12; doi:10.1149/05803.0003ecst
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:89633
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:14 Sep 2018 21:18
Last Modified:09 Mar 2020 13:18

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