Free energy, enthalpy, and entropy changes of mixing of aqueous solutions of D-glucose and tetraalkylammonium bromide at 25.DEG.C.
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概要
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Changes of free energy and enthalpy of mixing of aqueous solutions of D-glucose and tetraalkylammonium bromide were measured at 25 °C by isopiestic method and calorimetry, and excess thermodynamic quantities and transfer functions were calculated. All transfer functions were positive and mutual salting-out was observed. The positive value of free energy of transfer of tetrabutylammoniun bromide from water to aqueous D-glucose solution comes from the predominance of enthalpic term over entropic term. These results are interpreted in terms of the structural incompatibility of hydration cospheres around these two kinds of solutes.
- 公益社団法人 日本化学会の論文
著者
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Miyajima Koichiro
Faculty Of Pharmaceutical Science Kyoto University
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Nakagaki Masayuki
Faculty of Living Science Osaka City University
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Sawada Masahiro
Faculty of Pharmaceutical Sciences, Kyoto University
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