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Study of reaction of curium oxy-compound formation in molten chlorides
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A. G. Osipenko
Published/Copyright:
September 25, 2009
Abstract
The method of potentiometric titration using oxygen sensors with solid electrolyte membrane was applied to study the interaction of curium cations with oxygen anions in the molten alkali metal chlorides in the temperature range of 450–850 °C depending on oxy-acidity of melt. Assumptions were made concerning the ion and phase composition of the obtained compounds and the chemical reactions that take place in the melts at high temperature. Basic thermodynamic values were calculated for the resultant curium oxy-compounds.
Published Online: 2009-9-25
Published in Print: 2009-5-1
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Keywords for this article
Curium;
Oxy-compounds;
Dissociation constant;
Molten chlorides;
Potentiometric titration
Articles in the same Issue
- Preface
- Solubility of Pu and rare-earths in LiCl-Li2O melt
- Solubility of plutonium in MgCl2 and CaCl2 solutions in contact with metallic iron
- Complex formation and solubility of Pu(IV) with malonic and succinic acids
- New insights in the formation processes of Pu(IV) colloids
- Redox equilibria of Pu4+/Pu3+ and PuO22+/Pu4+ couples in molten NaCl-CsCl eutectic as measured by absorption spectrophotometry
- In search of an optimum plutonium density measurement fluid
- Some aspects of neptunium acetohydroxamic acid chemistry under acidic conditions
- Excitation spectra of near-infrared photoluminescence from Np(VI) in Cs2U(Np)O2Cl4
- Study of reaction of curium oxy-compound formation in molten chlorides
- Extraction behaviour of actinides and lanthanides in TALSPEAK, TRUEX and NPEX processes of UREX+
- Effect of oxide ions on separation factors of actinides from lanthanides in reductive extraction
- Solid phase precipitates in (Zr,Th)-OH-(oxalate, malonate) ternary aqueous system
- The adsorption of ammonia on polycrystalline thorium
- Formation and stability of actinide oxides: a valence band photoemission study
- Plutonium traces in atmospheric precipitation and in aerosols from Krakow and Bialystok
- Plutonium in the environment: key factors related to impact assessment in case of an accidental atmospheric release
- Unveiling the history of seized plutonium through nuclear forensic investigations
