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http://dx.doi.org/10.5012/jkcs.2010.54.01.071

Densities, Viscosities and Excess Properties of 2-Bromopropane - Methanol Binary Mixtures at Temperature from (298.15 to 318.15) K  

Li, Hua (School of Chemical and Energy Engineering, Zhengzhou University)
Zhang, Zhen (School of Chemical and Energy Engineering, Zhengzhou University)
Zhao, Lei (School of Chemical and Energy Engineering, Zhengzhou University)
Publication Information
Journal of the Korean Chemical Society / v.54, no.1, 2010 , pp. 71-76 More about this Journal
Abstract
The densities and viscosities of 2-bromopropane-methanol binary mixtures had been determined using an digital vibrating U-tube densimeter and Ubbelohde capillary viscometer respectively from (298.15 to 318.15) K. The dependence of densities and viscosities on temperature and concentration had been correlated. The excess molar volume and the excess viscosity of the binary system were calculated from the experimental density and viscosity data. The excess molar volumes were related to compositions by polynomial regression and regression parameters and total RMSD deviations were obtained; the excess viscosities was related to compositions by Redlich-Kister equation and regression coefficients and total RMSD deviation of the excess viscosity for 2-bromopropane and methanol binary system were obtained. The results showed that the model agreed very well with the experimental data.
Keywords
Densities; Viscosities; Excess molar volume; Excess viscosity; 2-Bromopropane; Methanol;
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