Abstract
The thermodynamic properties of the liquid Ag–Sb alloys were determined using solid oxide galvanic cells with zirconia electrolyte. The emfs of the cells: Ag x Sb (1−x), Sb 2 O 3/ O 2−/ air were measured in the temperatures range 950–1100 K in the whole range of the alloy compositions. First, the Gibbs free energy of formation of liquid Sb 2O 3 from pure elements was derived: ΔG° f( Sb 2 O 3) ( J/ mol)=−687100+243.23T. Next, the activities of antimony were measured as a function of the alloy compositions, x. Redlich–Kister polynomial expansion was used to describe the thermodynamic properties of the liquid phase. From the model equations the limiting value of the logarithm of activity coefficient of antimony in silver was obtained as a function of temperature: ln γ Sb 0=−3812.5/T+0.4112. The obtained results were compared with the experimental values reported in the literature.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
