Density, Viscosity, and Speed of Sound of Dialkyl Carbonates with Cyclopentane and Methyl Cyclohexane at Several Temperatures

Densities, speeds of sound, and viscosities have been measured for the binary mixtures dimethyl carbonate + cyclopentane and diethyl carbonate + cyclopentane or methylcyclohexane at T = (293.15, 298.15, 303.15, 308.15, and 313.15) K and atmospheric pressure. Excess molar volumes, viscosity deviation...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2004-09, Vol.49 (5), p.1392-1399
Main Authors: Pereiro, Ana B, Rodríguez, Ana, Canosa, Jose, Tojo, Jose
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
General. Theory
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Summary:Densities, speeds of sound, and viscosities have been measured for the binary mixtures dimethyl carbonate + cyclopentane and diethyl carbonate + cyclopentane or methylcyclohexane at T = (293.15, 298.15, 303.15, 308.15, and 313.15) K and atmospheric pressure. Excess molar volumes, viscosity deviations, and deviations in isentropic compressibility for the above systems have been derived. Derived quantities have been fit to a polynomial equation as a function of mole fraction and temperature. The obtained fitting parameters are listed. Correlated equations have been proposed, and the results in terms of root-mean-square deviations are shown. The UNIFAC−VISCO group contribution method has been used to predict the dynamic viscosities at the above temperatures for the binary mixtures.
ISSN:0021-9568
1520-5134
DOI:10.1021/je049895b