Voltammetry with a Fluoride-Selective Electrode with Solid-Phase Reference System |
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| Authors: | Turaeva M S Kot S A Glumov O V Murin I V |
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| Institution: | (1) Research Institute of Agrophysics, St. Petersburg, Russia;(2) St. Petersburg State University, St. Petersburg, Russia |
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| Abstract: | Experimental results obtained in a study of the voltammetric response of an all-solid fluoride-selective electrode based on LaF3 (Eu2+ 0.8 mol %), LaF3 (Sr2+ 5 mol %) and CeF3 (Sr2+ 5 mol %) single crystals brought in contact with Ag, Bi, and Sn metal samples are presented. The method of cathodic inversion voltammetry was applied to study the reduction of La3+ and Ce3+-cations from the rigid sublattice of solid electrolytes, which determines the threshold of the electrochemical stability of a membrane. Anodic inversion voltammetry was used to investigate the characteristics of solid-phase generation of metal fluorides at the interface between the fluoride-selective electrode and metals. |
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