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Extraction of technetium by DB18C6 and 18C6 into nitrobenzene and acetylacetone from an aqueous phase containing NaBH4

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Abstract

The extraction of technetium by DB18C6 and 18C6 into nitrobenzene and different solvents from aqueous phase containing NaBH4 was investigated. The experimental data indicate that the main extracted species have the formulas TcO/OH/2.CE or 2TcO/OH/2.3CE, where CE refers to the crown ethers. The effects of crown ether concentration, pH and organic solvent on the distribution ratio are discussed. The extent of extraction from different solvents decreases in the order nitrobenzene >acetylacetone>1-butanol>toluene> benzene.

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References

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Authors and Affiliations

  1. Institute of Isotopes, Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary

    Le Tuong Minh & T. Lengyel

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  1. Le Tuong Minh
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  2. T. Lengyel
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Le Tuong, M., Lengyel, T. Extraction of technetium by DB18C6 and 18C6 into nitrobenzene and acetylacetone from an aqueous phase containing NaBH4 . Journal of Radioanalytical and Nuclear Chemistry Letters 136, 363–369 (1989). https://doi.org/10.1007/BF02164728

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  • DOI: https://doi.org/10.1007/BF02164728

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