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Extraction chromatographic study on the separation of Am3+ and Eu3+ using ethyl-BTP as the extractant

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Abstract

Ethyl-substituted bis-triazinylpyridine (Et-BTP), a nitrogen containing soft-donor extractant, was used in investigations pertaining to the separation of Am3+ and Eu3+ from dilute nitric acid feed solutions by extraction chromatography using XAD-4 as the inert support, chlorinated dicarbollide as the modifier and 2-nitrophenyloctylether (NPOE) as the diluent. After carrying out a series of experiments, the optimum composition of the extractant mixture for the resin was found out to be 0.1 M Et-BTP and 0.025 M CCD in NPOE. Separation factor values were encouraging to carry out subsequent batch uptake studies at varying nitrate ion concentration which indicated favourable separation behaviour up to NaNO3 concentration of 2 M. Column studies have been carried out and conditions for elution and separation of Am3+ from Eu3+ have been found out. Long term stability of the resin was also investigated.

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Correspondence to V. K. Manchanda.

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Bhattacharyya, A., Mohapatra, P.K., Gadly, T. et al. Extraction chromatographic study on the separation of Am3+ and Eu3+ using ethyl-BTP as the extractant. J Radioanal Nucl Chem 288, 571–577 (2011). https://doi.org/10.1007/s10967-010-0971-0

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  • DOI: https://doi.org/10.1007/s10967-010-0971-0

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