Solubility parameter revisited: an equation-of-state approach for its estimation
DOI: 10.1016/S0378-3812(96)03221-9
关键词: Thermodynamics 、 Hildebrand solubility parameter 、 Equation of state 、 Solubility 、 Chemistry 、 Volume (thermodynamics) 、 Potential energy 、 Supercritical carbon dioxide 、 Hydrogen bond 、 van der Waals force
摘要: Starting from the original definition of cohesive energy density and solubility parameter, a systematic approach is proposed for estimating latter. The potential E volume V system are obtained simple equation-of-state model. model able to provide estimations over extended ranges external conditions, pure fluids as well mixtures systems highly non-ideal such hydrogen-bonded systems. In latter provides separate components namely, “hydrogen bonding” contribution “van der Waals” contribution. estimated parameters compare favorably with widely used tabulated values. exemplified by applying it estimation effect temperature pressure on supercritical carbon dioxide alcohols entrainers.
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