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Experimental and Modeling Studies on the Solubility of d‑Pantolactone in Four Pure Solvents and Ethanol–Water Mixtures

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posted on 2015-03-12, 00:00 authored by Cui Huang, Zhiping Xie, Jinchao Xu, Yujia Qin, Yanni Du, Shichao Du, Junbo Gong
The solubility of d-pantolactone in water, ethanol, methanol, ethyl acetate, and ethanol–water mixtures was determined at temperatures between (278.15 and 318.15) K using a digital densitometer by a static method. The measured solubility data were correlated with Apelblat equation, van’t Hoff equation, nonrandom two liquid model, and Wilson model. The results indicate that the Wilson model is the most suitable model in pure solvents and the Apelblat model is the best model in ethanol–water mixtures.

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