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Supercritical Fluid Extraction of Actinide Complexes: II. SFE of Actinide β-Diketonates

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Abstract

The solubility of uranium, plutonium, neptunium, and americium β-diketonates in supercritical carbon dioxide (SC-CO2) was studied. The concentration of actidine β-diketonates in SC-CO2 can be as high as 10-100 g l- 1. The complexes with dipivaloylmethane, trifluoroacetylacetone, and hexafluoroacetylacetone and especially their adducts with tributyl phosphate and water are the most soluble. The residues after treatment of the complexes with SC-CO2 were studied by IR spectroscopy.

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Authors and Affiliations

  1. Research and Production Association, Khlopin Radium Institute, St. Petersburg, Russia

    A. A. Murzin, V. A. Babain, A. Yu. Shadrin, I. V. Smirnov, A. A. Lumpov, N. I. Gorshkov & A. E. Miroslavov

  2. Russian Academy of Sciences, Institute of Analytical Instrument Production, St. Petersburg, Russia

    M. Z. Muradymov

Authors
  1. A. A. Murzin
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  2. V. A. Babain
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  3. A. Yu. Shadrin
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  4. I. V. Smirnov
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  5. A. A. Lumpov
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  6. N. I. Gorshkov
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  7. A. E. Miroslavov
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  8. M. Z. Muradymov
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Murzin, A.A., Babain, V.A., Shadrin, A.Y. et al. Supercritical Fluid Extraction of Actinide Complexes: II. SFE of Actinide β-Diketonates. Radiochemistry 44, 467–471 (2002). https://doi.org/10.1023/A:1021127324120

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