Refractive indices of binary liquid mixtures of squalane with benzene, cyclohexane and hexane at 298.15 to 313.15 K

Abstract

Densities, <i>ρ</i>,<i> </i>at 298.15 K and refractive indices, <i>n, </i>at 298.15, 303.15, 308.15 and 313.15 K have been measured for the binary liquid mixtures of squalane with benzene, cyclohexane and hexane over the whole mole fraction range. From refractive index data, the refractive index deviations, <i>Δn</i>,<i> </i>at different temperatures have been calculated and fitted to the

Redlich-Kister polynomial equation to estimate the adjustable parameters and the standard deviations. Further, theoretical prediction of refractive indices of these binary liquid mixtures at 298.15 K have been made using various mixing rules. Results obtained have been discussed in terms of average percentage deviations.