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(Liquid + Solid) Equilibrium, Density, and Refractive Index for (Methanol + Sodium Chloride + Rubidium Chloride + Water) and (Ethanol + Sodium Chloride + Rubidium Chloride + Water) at Temperatures of (288, 298, and 308) K

2009; American Chemical Society; Volume: 54; Issue: 11 Linguagem: Inglês

10.1021/je900636w

1520-5134

Shu-Ni Li, Haiyan Guo, Quan‐Guo Zhai, Yu‐Cheng Jiang, Man‐Cheng Hu,

Thermodynamic properties of mixtures

In this paper, (liquid + solid) equilibria, densities, and refractive indices are reported for (CH3OH + NaCl + RbCl + H2O) and (C2H5OH + NaCl + RbCl + H2O) at T = (288.15, 298.15, and 308.15) K. The results show that the presence of either CH3OH or C2H5OH significantly reduces the solubility of NaCl and RbCl in aqueous solutions. The experimental solubility, density, and refractive index were correlated to empirical equations, which makes it possible to calculate these properties over the whole studied concentration. Calculated values are in good agreement with the experimental results.