Electrode Potentials of Silver in a Mixture of Potassium and Lead Chlorides

—The equilibrium potentials of silver are measured by the emf method in a KCl–PbCl 2 –AgCl melt at different temperatures and silver chloride concentrations. Empirical equations are derived for the equilibrium potential isotherms and polytherms of silver. The conditional standard potentials of silve...

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Bibliographic Details
Published in:Russian metallurgy Metally 2023-08, Vol.2023 (8), p.1170-1174
Main Authors: Arkhipov, P. A., Khalimullina, Yu. R., Arkhipov, S. P., Mullabaev, A. R., Zaikov, Yu. P.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Empirical equations
Lead chlorides
Materials Science
Mathematical analysis
Metallic Materials
Mixtures
Separation
Silver chloride
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Summary:—The equilibrium potentials of silver are measured by the emf method in a KCl–PbCl 2 –AgCl melt at different temperatures and silver chloride concentrations. Empirical equations are derived for the equilibrium potential isotherms and polytherms of silver. The conditional standard potentials of silver in a molten mixture of potassium and lead chlorides are calculated. The changes in the Gibbs energy during the formation of silver chloride from the elements are calculated. The separation coefficients of the metals from the alloys are estimated. The obtained results indicate that the processes of lead and silver separation in chloride melts are promising.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029523080335