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Influence of Cyclic Dimer Formation on the Phase Behavior of Carboxylic Acids.
MedLine Citation:
PMID:  22676442     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A new thermodynamic approach based on the Sear and Jackson association theory for doubly bonded dimers [Mol. Phys. 1994, 82, 1033] is proposed to describe the thermodynamic properties of carboxylic acids. The new model is able to simultaneously represent the vapour pressures, saturated densities, and vaporisation enthalpies of the shortest acids and is in a much better agreement with experimental data than other approaches that do no consider the formation of cyclic dimers. The new model is applied to mixtures of carboxylic acids with non associating compounds, and a very good description of the vapour-liquid equilibria in mixtures of alkanes + carboxylic acids is obtained.
Authors:
Jiri Janecek; Patrice Paricaud
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-7
Journal Detail:
Title:  The journal of physical chemistry. B     Volume:  -     ISSN:  1520-5207     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101157530     Medline TA:  J Phys Chem B     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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