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Application Overview
Ionic Liquids, also known as Room Temperature Ionic Liquids (RTILs), are salts that are liquid at or below ambient temperature. They are seen as potential “green solvents” due to their negligible vapour pressures, in comparison to those of volatile organic solvents, and there is therefore a great deal of interest in Ionic Liquids for a range of applications in green chemistry and clean technology, including various catalysis, synthesis and separation processes.
The measurement of the solubility and diffusivity of gases and vapours in Ionic Liquids is of crucial significance for these applications and this can be measured over a range of pressures using the gravimetric technique. Instruments from the IGA Series have therefore been used in a number of recent studies on ILs [1-8], including the study of water [1], carbon dioxide [5,8] and hydrofluorocarbon [6] sorption.
Product Information Pages
IGA-001
IGA-002
IGA-003
References
[1] Solution Thermodynamics of Imidazolium-Based Ionic Liquids and Water
Jennifer L. Anthony, Edward J. Maginn, and Joan F. Brennecke
Journal of Physical Chemistry B 105 (2001) 10942-10949
[2] Solubilities and Thermodynamic Properties of Gases in the Ionic Liquid 1-n-Butyl-3-methylimidazolium Hexaflurophosphate
Jennifer L. Anthony, Edward J. Maginn, and Joan F. Brennecke
Journal of Physical Chemistry B 106 (2002) 7315-7320
[3] Phase Equilibria of Gases and Liquids with 1-n-butyl-3-methylimidazolium Tetrafluoroborate
J. L. Anthony, J. M. Crosthwaite, D. G. Hert, S. N. V. K. Aki, E. J. Maginn, and J. F. Brennecke
Ionic Liquids: Industrial Applications to Green Chemistry, R. D. Rogers and K. R. Seddon, (eds.), ACS Symposium Series, Vol. 818 (2002) 260-269
[4] Gas Solubilities in Ionic Liquids
J. F. Brennecke, J. L. Anthony, and E. J. Maginn
Ionic Liquids in Synthesis. P. Wasserschied and T. Welton, eds, Wiley-VHC (2003) 81-93
[5] Solubilities and Diffusivities of Carbon Dioxide in Ionic Liquids : [bmim][PF6] and [Bmim][BF4)
Mark B. Shiflett and A. Yokozeki
Industrial and Engineering Chemistry Research 44 (2005) 4453-4464
[6] Solubility and Diffusivity of Hydrofluorocabons in Room-Temperature Ionic Liquids
Mark B. Shiflett and A. Yokozeki
AIChE Journal Volume 52, Number 3 2006 1205-1219 [7] Solubility and Diffusivity of Difluoromethane in Room-Temperature Ionic Liquids
Mark B. Shiflett, Mark A. Harmer, Christopher P. Junk, and A. Yokozeki
Journal of Chemical and Engineering Data 2006, Volume 51, Number 2, 483-49 [8] Solvent Properties of Functionalized Ionic Liquids for CO2 Absorption
L. M. Galán Sánchez, G. W. Meindersma and A. B. de Haan
Chemical Engineering Research and Design 85 (A1) (2007) 31-39
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