3. RESULTS AND DISCUSSION
The experimental values of ρ, η, and nD for the pure
compounds used in this work are compared with the literature
data in Table 2. It is shown with acceptable agreement. The results
for the binary systems of 1,1′-bicyclohexyl + alkylcyclohexane
(methylcyclohexane, ethylcyclohexane, or butylcyclohexane) are
provided and discussed in the following parts.
3.1. Volumetric Properties. The measured densities for
the three binary systems over the whole composition range are
listed in Table 3. The excess molar volumes (Vm
E) for the
binary mixtures are calculated using the following equation: