Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 108: Issue 2
Excess enthalpies of mixtures of mono-carboxylic acid with dibutylether
Comparison with DISQUAC predictions
Authors:
B. Marongiu Dipartimento di Scienze Chimiche, Università degli Studi di Cagliari, Cittadella Universitaria, S.P. Monserrato—Sestu, km 0.700, 09042, Monserrato, CA, Italy

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Silvia Porcedda Dipartimento di Scienze Chimiche, Università degli Studi di Cagliari, Cittadella Universitaria, S.P. Monserrato—Sestu, km 0.700, 09042, Monserrato, CA, Italy

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D. Falconieri Dipartimento di Scienze Chimiche, Università degli Studi di Cagliari, Cittadella Universitaria, S.P. Monserrato—Sestu, km 0.700, 09042, Monserrato, CA, Italy

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Alessandra Piras Dipartimento di Scienze Chimiche, Università degli Studi di Cagliari, Cittadella Universitaria, S.P. Monserrato—Sestu, km 0.700, 09042, Monserrato, CA, Italy

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E. Matteoli CNR, Istituto per i Processi Chimico Fisici, via Moruzzi 1, 56124, Pisa, Italy

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L. Lepori CNR, Istituto per i Processi Chimico Fisici, via Moruzzi 1, 56124, Pisa, Italy

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Pages:
777–782
Online Publication Date:
16 Nov 2011
Publication Date:
01 May 2012
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-011-2034-3
Keywords:
Carboxylic acid; Di-n-butylether; Excess enthalpy; DISQUAC
Restricted access

Abstract

In this article are reported the excess enthalpies, HE, at 298.15 K, of liquid mixtures containing a linear mono-carboxylic acid (1) + di-n-butylether (2), determined by means of a titration calorimetric method. The experimental results, together with the literature data on thermodynamic properties of the above mentioned class of mixtures, have been interpreted in terms of the DISQUAC group contribution model. A set of structure-dependent interaction parameters, for the carboxylic group/oxygen contact, has been obtained. The model provides a fairly consistent description of the excess Gibbs energy, GE and excess enthalpy, HE, curves of the investigated mixtures.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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