The refractive indexes and the densities of saturated solution of saturated phthalic acid in mixed (MeOH-H2O) solvents were measured at four different temperatures, 298.15K, 303.15K, 308.15K And 313.15K. From the values of the measured refractive indices and the densities, the excess refractive indices, the atomic, electronic polarizations, the molar volumes, polarizabilities and the induced dipole moment were calculated and discussed. On the other hand, the molar volumes and solvated diameters were also evaluated. Measuring the refractive index properties are necessary for manufacturing industries especially in that using optical devices.
Phthalic Acid, Refractive Index, Excess Refractive Index, Polarization, Solution Volume
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