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Seregin, M. B.; Parshin, A. P.; Kuznetsov, A. Yu; Ponomarev, L. I.; Mel’nikov, S. A.; Mikhalichenko, A. A.; Rzheutskii, A. A.; Manuilov, R. N.
Radiochemistry (New York, N.Y.), 10/2011, Letnik: 53, Številka: 5Journal Article
The solubility of UF 4 , ThF 4 , and CeF 3 in fluoride melt of the composition 45 mol % LiF-12 mol % NaF-43 mol % KF in the temperature interval 773–973 K was determined. The solubility of the fluorides increases with an increase in the melt temperature. The CeF 3 solubility in the LiF-NaF-KF system is high: 19.9 mol % at 923 K and 23.3 mol % at 973 K. Experimental data on the solubility of CeF 3 (PuF 3 imitator) were compared to the calculated data on the PuF 3 solubility in the LiF-NaF-KF melt. The results showed that CeF3 can be considered as PuF3 imitator in FLINAK melt.
