Calculation of the viscosity of n-heptane-methanol solutions at low n-heptane concentrations |
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Authors: | E. D. Totchasov M. Yu. Nikiforov G. A. Al’per |
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Affiliation: | (1) Institute of Solution Chemistry, Russian Academy of Sciences, ul. Akademicheskaya 1, Ivanovo, 153045, Russia |
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Abstract: | The molar heat capacity C p of the methanol-n-heptane system was measured at low concentrations of n-heptane and 298.15 K. The dynamic viscosity η of the system at 298.15 K was calculated from data on the molar heat capacity of methanol-n-heptane solutions within the framework of the Flory theory and the theory of free volume with regard to the molecular association. Based on the experimental data and calculation results, it was concluded that the viscosity of the methanol-n-heptane system exhibits an anomalous behavior. |
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