Abstract
Some kinetic and activation thermodynamic functions for the electrodeposition of palladium, thallium, and tellurium from the best selected baths, viz. niclosamide bath [5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide] for Pd, alizarin red bath for Tl, and salicylaldehyde bath for Te, are determined. Reaction rate constant (k), half-lifetime (t 1/2), activation energy (E a), and such activation thermodynamic parameters as entropy change (ΔS*), enthalpy change (ΔH*), and Gibbs free energy (ΔG*) are calculated by applying the rate theory of the first-order reaction and the Eyring theory of the reaction rate. The effect of temperature change in the range of 30–60°C on the above parameters is studied and thoroughly discussed. The effect of metal type on both the reaction rate and the activation energy is also investigated.
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Published in Russian in Elektrokhimiya, 2006, Vol. 42, No. 3, pp. 264–271.
The text was submitted by the authors in English.
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El-Khouly, A.A., Hafez, M.A.H. & Kenawy, I.M.M. Kinetics and thermodynamics of the electrodeposition of palladium, thallium, and tellurium from different baths. Russ J Electrochem 42, 225–232 (2006). https://doi.org/10.1134/S1023193506030037
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DOI: https://doi.org/10.1134/S1023193506030037