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

摘要

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.