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

  • A. Bhattacharyya
  • P. K. Mohapatra
  • T. Gadly
  • S. K. Ghosh
  • D. R. Raut
  • V. K. Manchanda
Article
First Online:
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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.

Keywords

Lanthanides Trivalent actinides BTP Extraction chromatography 
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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2011

Authors and Affiliations

  • A. Bhattacharyya
    • 1
  • P. K. Mohapatra
    • 1
  • T. Gadly
    • 2
  • S. K. Ghosh
    • 2
  • D. R. Raut
    • 1
  • V. K. Manchanda
    • 1
  1. 1.Radiochemistry DivisionBhabha Atomic Research Centre, TrombayMumbaiIndia
  2. 2.Bio-Organic DivisionBhabha Atomic Research Centre, TrombayMumbaiIndia

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