Determination of partial molar excess enthalpies at infinite dilution for the systems four alcohols + [bmim]PF₆ at different temperatures by isothermal titration calorimeter

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• 作者：Shengying Li ; Weidong Yan ; Hong Dong
• 关键词：[bmim]PF₆ ; Partial molar excess enthalpy at infinite dilution ; Isothermal titration calorimeter
• 刊名：Fluid Phase Equilibria
• 出版年：2007
• 期刊代码：32_03783812
• 类别：ce
• 出版时间：1 December 2007
• 卷：261
• 期：1-2
• 页码：444-448
• 文件大小：110 K

摘要

Molar excess enthalpies of ethanol, 1-propanol, 2-propanol and 1-butanol + 1-butyl-3-methyl-imidazolium hexafluorophosphate, [bmim]PF₆ at highly diluted region of organic solvents were determined using isothermal titration calorimeter (ITC) at 288.15, 298.15, 308.15 and 318.15 K. The experimental data were fitted with a Redlich–Kister equation. The partial molar excess enthalpies at infinite dilution, miImageURL/B6TG2-4P1G9MC-3-F/0?wchp=dGLbVzb-zSkWW" alt="Click to view the MathML source" align="absbottom" border="0" height=21 width=34> were calculated using the parameters of the Redlich–Kister equation.