Abstract
Densities and viscosities of ternary mixtures of benzylchloride + nitrobenzene + isobutanol and three corresponding binary mixtures (benzyl chloride + isobutanol, benzyl chloride + nitrobenzene, and nitrobenzene + isobutanol) have been determined over the whole concentration at a temperature range of 288.15 to 313.15 K under atmospheric pressure. Experimental data of resulting mixtures were used to calculate viscosity deviations, Δln η, and excess energies of activation of viscous flow, ΔG*E, of the ternary system. The calculated data for binary mixtures have been fitted by the Redlich-Kister equation to determine the appropriate coefficients. In order to determine the coefficients of ternary data, Cibulka, Singh, and Nakata equations were used. The results have also provided a test for the Grunberg and Nissan equation for correlating the dynamic viscosities of binary and ternary mixtures with mole fractions.
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