Solubility of UF4, ThF4, and CeF3 in a LiF-NaF-KF melt

DOI: 10.1134/S1066362211050079

Source and publish data:

Radiochemistry p. 491 - 493 (2011)

Update date:2022-08-29

Topics:

Authors:

Seregin Seregin

Parshin Parshin

Kuznetsov

Ponomarev

Mel'Nikov

Mikhalichenko

Rzheutskii

Manuilov

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Article abstract of DOI:10.1134/S1066362211050079

The solubility of UF₄, ThF₄, and CeF₃ 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 CeF₃ 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 CeF₃ (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.

Full text of DOI:10.1134/S1066362211050079

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