Density, Viscosity, and Speed of Sound of (1-Octanol + 2-Methoxyethanol), (1-Octanol + N,N-Dimethylacetamide), and (1-Octanol + Acetophenone) at Temperatures of (298.15, 308.15, and 318.15) K

Densities and viscosities of the binary mixtures of 1-octanol + 2-methoxyethanol (2ME), + N,N-dimethylacetamide (DMAc), and + acetophenone (APH) were measured over the entire range of composition at T = (298.15, 308.15, and 318.15) K. Ultrasonic speeds of these binary mixtures have also been measure...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2010-12, Vol.55 (12), p.5914-5920
Main Authors: Bhattacharjee, Arijit, Roy, Mahendra Nath
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Solution properties
Solutions
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Summary:Densities and viscosities of the binary mixtures of 1-octanol + 2-methoxyethanol (2ME), + N,N-dimethylacetamide (DMAc), and + acetophenone (APH) were measured over the entire range of composition at T = (298.15, 308.15, and 318.15) K. Ultrasonic speeds of these binary mixtures have also been measured at 298.15 K. From the experimental data, values of excess molar volumes (V E), viscosity deviations (Δη), and excess isentropic compressibility (κ S E) have been calculated. These results were fitted to the Redlich−Kister polynomial equation. Partial molar volumes of 2ME/DMAc/APH in 1-octanol at infinite dilution and at different temperatures have also been evaluated. The results were discussed in terms of molecular interactions prevailing in the mixtures. The measured viscosities were correlated with McAllister’s three-body interaction model.
ISSN:0021-9568
1520-5134
DOI:10.1021/je100170v