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Feasibility of using the mixture of two symmetrical diglycolamides instead of unsymmetrical diglycolamide solvent for the separation of trivalent actinides

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Abstract

A mixture of 0.05 M N,N,N’,N’-tetraoctyl diglycolamide (TODGA) + 0.05 M N,N,N’,N’-tetra-2-ethylhexyl diglycolamide (TEHDGA)/n-dodecane was evaluated for its resemblance with its corresponding unsymmetrical diglycolamide (UDGA), N,N-di-2-ethylhexyl-N’,N’-dioctyl diglycolamide was evaluated by studying their affinity towards the extraction of trivalent f-ions (Am(III), Eu(III)), divalent fission products (Sr(II) and Ba(II)), third phase formation tendency during the extraction of nitric acid and Nd(III) from nitric acid medium and aggregate formation behavior in order to verify the feasibility of using the solvent mixture in place of UDGA to achieve the combined properties of symmetrical diglycolamides, TODGA and TEHDGA.

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Acknowledgements

The authors would like to thank to Actinide Chemistry and Separation Science Section, Fuel Chemistry Division of Indira Gandhi Centre for Atomic Research for their support in conducting few of the experiments.

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Authors and Affiliations

  1. Process RadioChemistry Reprocessing Research and Development Division, Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India

    Jammu Ravi, N. Parvathy, N. Desigan & K. Ananthasivan

  2. Homi Bhabha National Institute, Anushakthi Nagar, Mumbai, 400094, India

    N. Parvathy

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  1. Jammu Ravi
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Ravi, J., Parvathy, N., Desigan, N. et al. Feasibility of using the mixture of two symmetrical diglycolamides instead of unsymmetrical diglycolamide solvent for the separation of trivalent actinides. J Radioanal Nucl Chem 332, 3161–3171 (2023). https://doi.org/10.1007/s10967-023-09029-6

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