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The document examines the electrochemical behavior of SmF3 in molten LiF-CaF2 medium on molybdenum and nickel electrodes. A previous thermodynamic analysis suggests SmF3 is reduced in two steps: SmIII + e− = SmII and SmII + 2e− = Sm. Cyclic voltammetry, chronopotentiometry, and square-wave voltammetry were used to study this mechanism. Extraction of samarium from fluoride media using a reactive nickel cathode, forming samarium-nickel alloys, is shown to be an effective route.

Author

Ana-Maria Julieta Popescu

Language

EN