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Thermodynamic properties determination in LiF-CaF 2 using electrochemistry in high temperature fused salts: application to CeF 3

Abstract : Combining thermodynamic database and electrochemical measurements, CeF3 thermodynamics properties were determined between 1113 K and 1233 K in LiF-CaF2 solution. First, standard potentials of CeF3/Ce were calculated in different reference states: liquid and solid, and infinite dilution. Then activity coefficients of CeF3 were estimated in the different reference states and for different composition scales: molarity, molality and molar fraction. Finally, constants which interconnected the infinite dilution reference state and the solid and liquid reference states were evaluated.
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Submitted on : Monday, May 20, 2019 - 5:28:06 PM
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Mathieu Gibilaro, Laurent Massot, Pierre Chamelot. Thermodynamic properties determination in LiF-CaF 2 using electrochemistry in high temperature fused salts: application to CeF 3. Journal of The Electrochemical Society, Electrochemical Society, 2017, 164 (12), pp.307-311. ⟨10.1149/2.0691712jes⟩. ⟨hal-02134835⟩

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