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Hexafluoro complex of rutherfordium in mixed HF/HNO3 solutions
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Published/Copyright:
September 25, 2009
Summary
Formation of anionic fluoride-complexes of element 104, rutherfordium, produced in the 248Cm(18O,5n) 261Rf reaction was studied by anion-exchange on an atom-at-a-time scale. It was found that the hexafluoro complex of Rf, [RfF6]2−, was formed in the studied fluoride ion concentrations of 0.0005–0.013 M. Formation of [RfF6]2− was significantly different from that of the homologues Zr and Hf, [ZrF6]2− and [HfF6]2−; the evaluated formation constant of [RfF6]2− is at least one-order of magnitude smaller than those of [ZrF6]2− and [HfF6]2−.
Keywords: Rutherfordium (Rf); Zirconium (Zr); Hafnium (Hf); Atom-at-a-time chemistry; Hexafluoro complex; Anion-exchange chromatography
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Received: 2007-June-15
Accepted: 2007-October-12
Published Online: 2009-09-25
Published in Print: 2008-03
© Oldenbourg Wissenschaftsverlag
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Keywords for this article
Rutherfordium (Rf);
Zirconium (Zr);
Hafnium (Hf);
Atom-at-a-time chemistry;
Hexafluoro complex;
Anion-exchange chromatography
Articles in the same Issue
- Hexafluoro complex of rutherfordium in mixed HF/HNO3 solutions
- About low oxidation states, hydration and covalence properties of f elements
- Speciation of An(IV) (Pu, Np, U and Th) in citrate media
- Solvent extraction of americium and europium ions by amide-derivatized polyethers from picric acid aqueous solution
- Effect of humic acid, fulvic acid, pH and temperature on the sorption-desorption of Th(IV) on attapulgite
- Preparation, quality control and biodistribution studies of [67Ga]-DOTA-anti-CD20
- Phosphinimines as selective extractants for Tc-99 pertechnetate
- 10.1524/ract.2008.1513
- 10.1524/ract.2008.1517
- 10.1524/ract.2008.1519
- 10.1524/ract.2008.1507
- 10.1524/ract.2008.1514
- 10.1524/ract.2008.1516
- 10.1524/ract.2008.1515
- 10.1524/ract.2008.1520
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