Solubilities of 1,2,3-trimethylbenzene and 1,2,4-trimethylbenzene and 1,3,5-trimethylbenzene in t-butyl alcohol+water mixtures and hydrophobic interaction |
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| Authors: | Lizhuang Zou Guanying Yang Buxing Han Ruilin Liu Haike Yan |
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| Affiliation: | (1) Department of Chemical Engineering, University College London, Torrington Place, London, WC1E 7JE, UK;(2) Department of Engineering Systems, London South Bank University, London, SE1 0AA, UK |
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| Abstract: | The solubilities of 1,2,3-trimethylbenzene, 1,2,4-trimethylbenzene and 1,3,5-trimethylbenzene in mixed solvents of t-butyl alcohol (TBA) and water at 283.15, 288.15, 293.15 and 298.15 K have been determined by spectmphotometry. The mole fractions of TBA [x(TBA)] in the mixed solvent are0.000, 0.010, 0.020, 0.030, 0.040, 0.045, 0.050, 0.060, 0.080 and 0.1000. The Gibbs energies of hydrophobic interaction (HI) for the aggregating process of three methane molecules with one benene molecule in the mixed solvent are studied, and the effect of solvent structure and solute aggregating state on the strength of HI is discussed. |
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| Keywords: | hydrophobic interaction solubility 1 2 3-trimethylbenzene 1 2 4-trimethylbenzene 1 3 5-tri-methylbenzene t-tutyl alcohol Gibbs energy. |
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