Nasirzadeh, Karamat and Neueder, Roland and Kunz, Werner (2005) Thermodynamic properties of (LiCl + N,N-dimethylacetamide) and (LiBr + N,N-dimethylacetamide) at temperatures from (323.15 to 423.15) K. Journal of Chemical Thermodynamics 37 (4), pp. 331-341.
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Precise vapor pressure data for LiCl and LiBr solns. 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 coeffs. are calcd. by taking into account the second virial coeff. of N,N-dimethylacetamide. The parameters of the extended Pitzer-ion interaction model of Archer, of the MSA-NRTL model, and of the chem. model of Barthel are evaluated. These models accurately reproduce the exptl. osmotic coeffs. within different concn. ranges. The parameters of the Pitzer-ion interaction model of Archer are used to calc. the mean molal activity coeffs. and excess Gibbs free energies. The non-ideal behaviors of these systems are discussed in terms of the model parameters.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz|
|Keywords:||lithium chloride bromide mixt methylacetamide vapor pressure thermodn osmotic coeff lithium chloride bromide mixt methylacetamide activity coeff lithium chloride bromide mixt methylacetamide excess free energy lithium chloride bromide mixt methylacetamide|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2012 10:21|
|Last Modified:||25 May 2012 10:21|