Volumetric and viscosity behaviors of the chromic anhydride + sodium dichromate + sodium chromate + water from (298.15 to 333.15) K

The densities and viscosities of chromic anhydride + sodium dichromate + sodium chromate + water quaternary mixtures and sodium dichromate + sodium chromate + water ternary mixtures have been measured at the temperatures(298.15, 303.15, 313.15, 323.15 and 333.15)K. The experimental data were correlated with the Vogel-Tamman-Fulcher equation. The apparent molar volumes, limiting partial molar volumes and viscosity B-coefficient of chromic anhydride were calculated from the experimental measurements. The solute-solute interactions, solute-mixed solvent interactions and the structural-making effect of chromic anhydride have been discussed using Hepler criterion and Jones-Dole equation.