Deiters, Ulrich K. ORCID: 0000-0001-7669-5847 (2012). The isothermal van't Hoff equation for phase equilibria-A forgotten relation? Fluid Phase Equilib., 336. S. 22 - 28. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 0378-3812

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Abstract

The extended van't Hoff equations for dilute mixtures relate the differences of initial slopes of phase boundary curves to the phase transition enthalpy or volume of the solvent. While the isobaric van't Hoff equation is frequently used in mixture thermodynamics, its isothermal counterpart has received much less attention. We show that the isothermal van't Hoff equation can be used to interpolate dew point curves in isothermal phase diagrams or to create a model-free consistency test for experimental phase equilibrium data. Furthermore, an expression for the initial curvature of phase boundary curves is derived. (c) 2012 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Deiters, Ulrich K.UNSPECIFIEDorcid.org/0000-0001-7669-5847UNSPECIFIED
URN: urn:nbn:de:hbz:38-476497
DOI: 10.1016/j.fluid.2012.08.028
Journal or Publication Title: Fluid Phase Equilib.
Volume: 336
Page Range: S. 22 - 28
Date: 2012
Publisher: ELSEVIER SCIENCE BV
Place of Publication: AMSTERDAM
ISSN: 0378-3812
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
MIXTURESMultiple languages
Thermodynamics; Chemistry, Physical; Engineering, ChemicalMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/47649

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