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THERMODYNAMIC INTERACTIONS IN BINARY AND TERNARY SYSTEMS CONTAINING SULFOLANE, DIMETHYLSULFOXIDE, TOLUENE AND WATER AT 303.15K | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 11, Issue 3, 2008, Pages 55-65 | ||
| Author | ||
| Taghried A. Salman | ||
| Abstract | ||
| This paper reports experimental densities and refractive indices of binary and ternary systems containing sulfolane, or dimethylsulfoxide, toluene and water over the whole composition range of mixtures at 303.15 K and atmospheric pressure. From these data, excess molar volumes, VE and molar refraction changes of mixing, δR were calculated. The obtained values of VE and ΔR for the binary mixtures were fitted to the Redlich – Kister equation and the binary parameters were used in the correlation of the ternary results with Redlich – Kister and Cibulka polynomial equations. The significance of these results is discussed in terms of the structural changes in the mixtures. | ||
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