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The Melting of Unsaturated Capillary Condensate

Lysek, Mark and LaMadrid, Marissa and Day, Peter and Goodstein, David (1993) The Melting of Unsaturated Capillary Condensate. Langmuir, 9 (4). pp. 1040-1045. ISSN 0743-7463.

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In many adsorbed systems, heat capacity peaks have been observed to occur near the triple-point temperature of the bulk adsorbate. These peaks are now understood to be due to the melting of unsaturated capillary condensate. In this paper we study that phase transition, presenting new data for these peaks in CH4, Ar, and Kr adsorbed in graphite foam, and analyzing those data in terms of competing models of melting of capillary condensate. We conclude that capillary condensate melts along a curve in the temperature-chemical potential plane that may be predicted from the properties of the bulk adsorbate, independent of the nature of the substrate.

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Additional Information:© 1993 American Chemical Society. Received October 16, 1992. In Final Form: January 8, 1992. We acknowledge useful discussions with W. Saam, M. Den Nijs, M. Pettersen, and D. O. Edwards. This work was supported by DOE Grant DEFG03-85ER45192.
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Department of Energy (DOE)DE-FG03-85ER45192
Issue or Number:4
Record Number:CaltechAUTHORS:20151216-095249560
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Official Citation:The melting of unsaturated capillary condensate Mark Lysek, Marissa LaMadrid, Peter Day, and David Goodstein Langmuir 1993 9 (4), 1040-1045 DOI: 10.1021/la00028a027
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62972
Deposited By: Ruth Sustaita
Deposited On:16 Dec 2015 19:56
Last Modified:03 Oct 2019 09:24

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