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ICP-AES determination of trace metallic constituents in thorium matrix after preferential extraction of thorium using TBP, TOPO and DHOA: a comparative study

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Abstract

ICP-AES based methodology was developed for the determination of trace metallic constituents in thorium matrix after preferential extraction of thorium using TBP, TOPO and DHOA. The distribution ratio for thorium followed the trend TOPO > TBP > DHOA with the formation of 1:2 complex. Oxalic acid was found to strip Th effectively. La, Ce, Pr, Gd, Dy, Lu can be determined at 0.1 mg L−1 using all the ligands, while common analytes can be determined at 0.1, 0.5 and 1 mg L−1 concentrations by using DHOA, TBP and TOPO, respectively.

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Acknowledgments

The authors wish to acknowledge Dr. P.K. Pujari, Head, Radiochemistry Division, for his constant support and encouragement.

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Authors and Affiliations

  1. Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, India

    Arijit Sengupta, Sk. Jayabun & S. K. Thulasidas

  2. Radiometallurgy Division, Bhabha Atomic Research Centre, Mumbai, India

    Tejaswi Ippili

  3. Kirorimal College, University of Delhi, Delhi, India

    Manpreet Singh

Authors
  1. Arijit Sengupta
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  2. Tejaswi Ippili
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  3. Sk. Jayabun
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  4. Manpreet Singh
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  5. S. K. Thulasidas
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Correspondence to Arijit Sengupta.

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Sengupta, A., Ippili, T., Jayabun, S. et al. ICP-AES determination of trace metallic constituents in thorium matrix after preferential extraction of thorium using TBP, TOPO and DHOA: a comparative study. J Radioanal Nucl Chem 310, 59–67 (2016). https://doi.org/10.1007/s10967-016-4790-9

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  • DOI: https://doi.org/10.1007/s10967-016-4790-9

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