Abstract
The paper describes the formation of a solid phase in aqueous solutions of potassium permanganate under the action of a direct current discharge in air above the liquid phase at atmospheric pressure. The discharge current was 40 mA (the total input power was 6 W). The discharge was ignited in the system without contact of the electrodes with the liquid phase. Assumptions were made about considerable difference between the mechanisms of reactions induced by the discharge and reactions that take place in solutions of transition metal salts under the same conditions. The obtained solid product was investigated by X-ray diffraction analysis and thermogravimetric analysis and by scanning electron microscopy.
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ACKNOWLEDGMENTS
The study was carried out using equipment of the Center for Collective Use of Research Equipment, Ivanovo State University of Chemistry and Technology (supported by the Ministry of Education and Science of Russia, agreement no. 075-15-2021-671).
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This work was supported by the Ministry of Higher Education and Science of the Russian Federation, project no. FZZW-2020-0009.
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Smirnova, K.V., Ivanov, A.N., Shutov, D.A. et al. Formation of the Solid Phase in the Liquid Cathode Glow Discharge above Solutions of KMnO4. Russ. J. Inorg. Chem. 67, 262–266 (2022). https://doi.org/10.1134/S0036023622030123
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DOI: https://doi.org/10.1134/S0036023622030123