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  • The electrochemical behaviour of PrF3 was studied in the LiF-CaF2 (79/21 molar ratio) at 1,213 K. Inert (W) and reactive (Ni) electrodes were used. Pr(III) ions are reduced in a single, three electron exchange. The redox potential of the Pr(III)/Pr couple at the inert electrode was observed very close to the decomposition potential of the LiF-CaF2 melt. Experiments using reactive working electrode were done. The results show the potential shift connected to the alloying reactions of Pr and Ni. Deposition of Pr-Ni layer was confirmed by SEM-EDX analysis. Conclusions for the Pr separation possibilities from spent nuclear fuel were done.
  • The electrochemical behaviour of PrF3 was studied in the LiF-CaF2 (79/21 molar ratio) at 1,213 K. Inert (W) and reactive (Ni) electrodes were used. Pr(III) ions are reduced in a single, three electron exchange. The redox potential of the Pr(III)/Pr couple at the inert electrode was observed very close to the decomposition potential of the LiF-CaF2 melt. Experiments using reactive working electrode were done. The results show the potential shift connected to the alloying reactions of Pr and Ni. Deposition of Pr-Ni layer was confirmed by SEM-EDX analysis. Conclusions for the Pr separation possibilities from spent nuclear fuel were done. (en)
Title
  • Electrochemistry of praseodymium in LiF-CaF2
  • Electrochemistry of praseodymium in LiF-CaF2 (en)
skos:prefLabel
  • Electrochemistry of praseodymium in LiF-CaF2
  • Electrochemistry of praseodymium in LiF-CaF2 (en)
skos:notation
  • RIV/46356088:_____/11:#0001131!RIV12-MPO-46356088
http://linked.open...avai/predkladatel
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  • P(2A-1TP1/030)
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  • 2
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  • 197053
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  • RIV/46356088:_____/11:#0001131
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  • Pyrochemical separations; Praseodymium; Spent fuel reprocessing (en)
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http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
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  • [088F57C1EFD6]
http://linked.open...i/riv/nazevZdroje
  • Journal of Radioanalytical and Nuclear Chemistry
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  • 289
http://linked.open...iv/tvurceVysledku
  • Straka, Martin
  • Szatmáry, Lórant
  • Korenko, Michal
http://linked.open...ain/vavai/riv/wos
  • 000292570000041
issn
  • 0236-5731
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/s10967-011-1128-5
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