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Thermodynamic Properties of Binary Mixtures Containing N,N-Dimethylacetamide + 2-Alkanol: Experimental Data and Modeling

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Department of Chemistry, Science and Research Branch, Islamic Azad University, Khouzestan, Iran
*E-mail: [email protected]. Tel.: + 98-611-4431018.
Cite this: J. Chem. Eng. Data 2014, 59, 2, 275–281
Publication Date (Web):January 27, 2014
https://doi.org/10.1021/je400917j
Copyright © 2014 American Chemical Society

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    Abstract

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    Densities and viscosities of five binary systems containing N,N-dimethylacetamide + 2-alkanol (2-propanol up to 2-heptanol) were measured at T = (298.15, 303.15, 308.15, and 313.15) K and ambient pressure. From the density and viscosity data, the values of various properties such as excess molar volumes and viscosity deviations were calculated and fitted to the Redlich–Kister polynomial. The least-squares method was used to determine the adjustable parameters. Excess molar volumes are negative for N,N-dimethylacetamide + 2-propanol and positive for other systems. Viscosity deviations are negative for all binary mixtures. The statistical associating fluid theory (SAFT) and perturbed chain statistical associating fluid theory (PC-SAFT) were used to correlate the densities of the binary mixtures.

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    Parameters of SAFT and PC-SAFT for pure materials and some useful data for this paper. This material is available free of charge via the Internet at http://pubs.acs.org.

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