Interactions of Imidazolium Based Ionic Liquids with Water Studied by Density and Speed of Sound Measurements: Effect of the Chain Length of an Alkyl Substituent on the Imidazolium Ion
作者： Erol Ayranci , Elif Merve Sahin
DOI: 10.1007/S10953-018-0724-1
关键词: Molality 、 Thermodynamics 、 Molar volume 、 Type (model theory) 、 Isentropic process 、 Ionic liquid 、 Chemistry 、 Isobaric process 、 Speed of sound 、 Dilution
摘要: Densities and speeds of sound three ionic liquids (ILs), 1-ethyl-3-methyl imidazoliumtetrafluoroborate (C2mimBF4), 1-butyl-3-methylimidazoliumtetrafluoroborate (C4mimBF4) 1-hexyl-3-methylimidazoliumtetrafluoroborate (C6mimBF4) were measured in aqueous solutions at (288.15, 293.15, 298.15, 303.15 308.15) K. These data used to calculate the volumetric properties apparent molar volume isentropic compression as a function molality. Infinite dilution values for these evaluated by an extrapolation procedure based on Redlich–Meyer type equations. Apparent isobaric expansions infinite also obtained from slopes versus temperature. All are interpreted terms IL–water interactions. The hydrolysis \( {\text{BF}}_{4}^{ - } \) anion ILs its effects results is discussed.
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