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Extraction behavior of Am(III) and Eu(III) in 1,3-diketonate based ionic liquid

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Abstract

Solvent extraction of americium(III) and europium(III) from nitric acid medium is carried by the solution of a functionalized ionic liquid (FIL), 1-butyl-3-methylimidazolium hexafluoro 1,3-diketonate ([C4mim][hfac]) present in 1–butyl–3–methylimidazolium bis(trifluoromethane-sulfonyl)imide, ([C4mim][NTf2]) diluent. The distribution ratio of Am(III) and Eu(III) was measured as a function of pH, concentration of FIL, nature of diluent and temperature. The D values increases with increase in pH. The slope analysis method revealed involvement of three FILs in the complexation. Complete removal of metal ion from extracted phase using the nitric acid. A separation factor of 25 was achieved for Am(III) over Eu(III) using polycarboxylic acid (DTPA) solution.

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Authors and Affiliations

  1. Fuel Chemistry Division, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    Alok Rout, Venkatesan K. A & Antony M. P

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  1. Alok Rout
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  2. Venkatesan K. A
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  3. Antony M. P
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Correspondence to Venkatesan K. A.

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Rout, A., A, V.K. & P, A.M. Extraction behavior of Am(III) and Eu(III) in 1,3-diketonate based ionic liquid. J Radioanal Nucl Chem 310, 91–97 (2016). https://doi.org/10.1007/s10967-016-4777-6

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  • DOI: https://doi.org/10.1007/s10967-016-4777-6

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