Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Thermodynamic properties of liquid Ag-Li alloys

Gasior, W., Debski, A.
J. Chem. Thermodyn. 2016, 101, 270-277
ABSTRACT
The electrochemical concentration cell method was used in the measurements of the activities of Li in the Ag-Li liquid and solid alloys. Activity measurements were performed with the use of electrochemical cells with liquid LiCl-LiF and LiCl-KCl electrolytes for 9 alloys in the xLi concentration range from 0.1 to 0.9 and at temperatures between 643 K and 916 K. The linear temperature dependencies of EMF of the Ag-Li alloys were observed and described by the equation EMF(T) = a + bT. The calculated partial thermodynamic functions of Li showed negative deviations from the ideal behaviour. With the application of all the available literature thermodynamic data, the interaction parameters of the Redlich-Kister equation for the liquid Ag-Li phase were worked out with the use of the least square method. The partial and integral Gibbs energies, entropies and enthalpies were calculated and presented in tables and figures. Additionally, the concentration-concentration partial structure factors for the ideal and real Ag-Li solutions were calculated and graphically presented.
Compounds
# Formula Name
1 Ag silver
2 Li lithium
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
  • 1
  • (Relative) activity - 2 ; Crystal
  • Temperature, K; Crystal
  • Mole fraction - 2; Crystal
  • Pressure, kPa; Crystal
  • Crystal
  • Calculated from EMF cell potential
  • 25
  • POMD
  • 2
  • 1
  • (Relative) activity - 2 ; Liquid
  • Temperature, K; Liquid
  • Mole fraction - 2; Liquid
  • Pressure, kPa; Liquid
  • Liquid
  • Calculated from EMF cell potential
  • 67