Title: Synthesis of plutonium trifluoride by hydro-fluorination and novel thermodynamic data for the PuF3-LiF system
Authors: TOSOLIN ALBERTOSOUCEK PAVELBENES ONDREJVIGIER JEAN-FRANCOISLUZZI LELIOKONINGS RUDY
Citation: JOURNAL OF NUCLEAR MATERIALS vol. 503 p. 171-177
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2018
JRC N°: JRC107720
ISSN: 0022-3115
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC107720
DOI: 10.1016/j.jnucmat.2018.02.037
Type: Articles in periodicals and books
Abstract: PuF3 was synthetized by hydro-fluorination of PuO2 and subsequent reduction of the product by hydrogenation. The obtained PuF3 was analysed by X-Ray Diffraction (XRD) and found phase-pure. High purity was also confirmed by the melting point analysis using Differential Scanning Calorimetry (DSC). PuF3 was then used for thermodynamic assessment of the PuF3-LiF system. Phase equilibrium points and enthalpy of fusion of the eutectic composition were measured by DSC. XRD analyses of selected samples after DSC measurement confirm that after solidification from the liquid, the system returns to a mixture of LiF and PuF3.
JRC Directorate:Nuclear Safety and Security

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