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Electrical Conductivity of Rhenium-Containing Ammonium Carbonate Solutions and the Calculation of Its Activation Energy

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Russian Metallurgy (Metally) Aims and scope

Abstract

The conductometric method is used to study the dependences of the electrical conductivity (EC) of aqueous solutions of ammonium carbonate and solutions of the ammonium carbonate–ammonium perrhenate system on the reagent content in the concentration range 0.1–1.8 mol/L for (NH4)2CO3 and 0.01–0.1 mol/L for NH4ReO4 and on the solution temperature in the range 20–50°C. EC is found to increase linearly with the electrolyte temperature and nonlinearly with the reagent concentration. The temperature coefficients of EC and its activation energies are calculated in the concentration and temperature ranges under study. The EC activation energy is found to decrease as the solution temperature increases. The calculated EC activation energies indicate a diffusion character of charge transfer.

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Funding

This work was carried out by the state task, project no. 075-01176-23-00.

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Correspondence to O. G. Kuznetsova.

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Translated by Yu. Ryzhkov

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Kuznetsova, O.G., Levin, A.M., Bol’shikh, A.O. et al. Electrical Conductivity of Rhenium-Containing Ammonium Carbonate Solutions and the Calculation of Its Activation Energy. Russ. Metall. 2023, 1281–1288 (2023). https://doi.org/10.1134/S0036029523090070

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