Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Thermodynamic properties of (LiCl + N,N-dimethylacetamide) and (LiBr + N,N-dimethylacetamide) at temperatures from (323.15 to 423.15) K

Nasirzadeh, K.[Karamat], Neueder, R.[Roland], Kunz, W.[Werner]
J. Chem. Thermodyn. 2005, 37, 4, 331-341
ABSTRACT
Precise vapor pressure data for LiCl and LiBr solutions in N,N-dimethylacetamide are given for T = (323.15 to 423.15) K. The molality ranges covered in this study are about m = (0.073 to 1.89) mol * kg-1 for lithium chloride and m = (0.06 to 1.75) mol.kg-1 for lithium bromide. Osmotic coefficients are calculated by taking into account the second virial coefficient of N,N-dimethylacetamide. The parameters of the extended Pitzer-ion interaction model of Archer, of the MSA-NRTL model and of the chemical model of Barthel are evaluated. These models accurately reproduce the experimental osmotic coefficients within different concentration ranges. The parameters of the Pitzer-ion interaction model of Archer are used to calculate the mean molal activity coefficients and excess Gibbs free energies. The non-ideal behaviors of these systems are discussed in terms of the model parameters.
Compounds
# Formula Name
1 BrLi lithium bromide
2 ClLi lithium chloride
3 C4H9NO N,N-dimethylethanamide
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
  • 3
  • Vapor or sublimation pressure, kPa ; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Gas
  • Closed cell (Static) method
  • 11
  • POMD
  • 3
  • 2
  • Vapor or sublimation pressure, kPa ; Liquid
  • Molality, mol/kg - 2; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Gas
  • Closed cell (Static) method
  • 176
  • POMD
  • 3
  • 1
  • Vapor or sublimation pressure, kPa ; Liquid
  • Molality, mol/kg - 1; Liquid
  • Temperature, K; Liquid
  • Liquid
  • Gas
  • Closed cell (Static) method
  • 165