Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Solubilities of CO2 in 1-Butyl-3-methylimidazolium Hexafluorophosphate and 1,1,3,3-Tetramethylguanidium Lactate at Elevated Pressures

Zhang, S.[Suoajiang], Yuan, X.[Xiaoliang], Chen, Y.[Yuhuan], Zhang, X.[Xiangping]
J. Chem. Eng. Data 2005, 50, 5, 1582-1585
ABSTRACT
The solubilities of CO2 in 1-butyl-3-methylimidazolium hexafluorophosphate and 1,1,3,3-tetramethylguanidium lactate at the temperatures ranging from (297 to 328) K and the pressures ranging from (0 to 11) MPa were determined. The extended Henry s law was applied to correlate the solubility data, and the thermodynamic properties such as standard enthalpy, standard Gibbs free energy, standard entropy, and standard heat capacity of these two systems were obtained. Experimental results showed that the solubilities of CO2 in TMGL are slightly higher than those in [bmim][PF6].
Compounds
# Formula Name
1 C8H19N3O3 1,1,3,3-tetramethylguanidinium lactate
2 CO2 carbon dioxide
3 C8H15F6N2P 1-butyl-3-methylimidazolium hexafluorophosphate
Datasets
The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type Compound-# Property Variable Constraint Phase Method #Points
  • POMD
  • 2
  • 3
  • Vapor or sublimation pressure, kPa ; Liquid
  • Temperature, K; Liquid
  • Molality, mol/kg - 2; Liquid
  • Liquid
  • Gas
  • CCELL:UFactor:24
  • 42
  • POMD
  • 2
  • 1
  • Vapor or sublimation pressure, kPa ; Liquid
  • Temperature, K; Liquid
  • Molality, mol/kg - 2; Liquid
  • Liquid
  • Gas
  • CCELL:UFactor:24
  • 27