Abstract
Densities (r), viscosities (h) and refractive indices (nD) of the ternary system cyclohexane + cyclohexanol + cyclohexanone were measured at 293.15, 298.15 and 298.15 K and atmospheric pressure, over the whole composition range. The experimental values of densities and viscosities were correlated with temperature using a linear equation and Guzman equation respectively. Viscosity results were fitted with Grunberg-Nissan equation and Heric-Brewer equation. Different refractive index mixing rules (Arago-Biot, Dale-Glastone, Newton and Lorentz-Lorenz) were studied for this ternary system. The functions of activation of viscous flow were also calculated and their variations with compositions have been discussed.
Highlights
Results and discussionsThe measured densities, viscosities and refractive indices of the pure components are presented in table 1
This paper reports densities, viscosities and refractive indices of ternary mixtures of cyclohexane + cyclohexanol + cyclohexanone as function of composition at 293.15, 298.15 and 303.15 K and atmospheric pressure
The density and viscosity of the solutions studied in this paper can be correctly estimated at different temperatures using a linear equations and Guzman equation respectively
Summary
The measured densities, viscosities and refractive indices of the pure components are presented in table 1. Cyclohexane densities values reported in the literature differ than our values with a maximum 0.1%. Densities values published in the literature differ from our experimental data with a maximum 0.11%. Viscosity values reported in the literature differ than our data with a maximum 0.95% for cyclohexane, with maximum 2.8% for cyclohexanol and for cyclohexanone with maximum 1.2%. The differences between measured and literature data of refractive indices are less than 0.02% for cyclohexane, less than 0.01% for cyclohexanol and maximum 0.05% for cyclohexanone. The densities, viscosities and refractive indices of the ternary mixtures of cyclohexane + cyclohexanol + cyclohexanone are reported in tables 2-4. EXPERIMENTAL AND LITERATURE VALUES FOR DENSITIES (ρ) AND VISCOSITIES (η) AND REFRACTIVE INDICES (nD) OF THE PURE COMPONENTS. EXPERIMENTAL VALUES FOR REFRACTIVE INDICES (nD) OF THE CYCLOHEXANE (x1) + CYCLOHEXANOL (x2) +
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