The fluorination of uranium and vanadium oxides with some metal fluorides |
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| Authors: | B. Leng J.H. Moss |
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| Affiliation: | Chemistry Department, Teesside Polytechnic, Borough Road, Middlesbrough, Cleveland, TS1 3BA Great Britain |
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| Abstract: | UO3 reacts with CrF3 or CuF2 forming UO2F2 and Cr2O3 or CuO respectively. Further fluorination occurs above 800°C to form UF6 though the presence of excess CrF3 gives mainly UF4. The fluorination of U3O8 with CrF3 gave UO2F2, UF4 and Cr2O3 but with CuF2 gave UO2F2, CuO and Cu2O. VO2 reacts with excess CrF3 forming VF3, VF5 and Cr2O3. If there is a deficiency of CrF3 the products are VOF3, V3O5 and Cr2O3. CuF2 and VO2 form VOF3, CuO and Cu2O. |
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