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Studies on liquid–liquid extraction of La(III) from acidic nitrate medium using TBP in petrofin

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Abstract

The present study aims at investigating the capability of tri-n-butyl phosphate (TBP) in petrofin as extracting agent for La(III) from acidic nitrate medium. The concentrations of TBP and sodium nitrate have positive influence while temperature shows a negative impact on the extraction. The values of standard enthalpy change and entropy change confirm the extraction process as exothermic with a decrease in randomness due to complexation. Regression analysis results fit well with the experimental data in the cases of TBP and nitrate concentration variation.

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Acknowledgements

The authors are grateful to Siksha ‘O’ Anusandhan University for their kind support for the successful conduct of the experimental work. One of the authors (Swagatika Satpathy) is grateful to Department of Science & Technology (DST) for providing Innovation in Science Pursuit for Inspired Research (INSPIRE) fellowship.

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Authors and Affiliations

  1. Department of Chemistry, Institute of Technical Education and Research, Siksha ‘O’ Anusandhan University, Khandagiri Square, Bhubaneswar, Odisha, 751030, India

    Swagatika Satpathy, Sanghamitra Pradhan & Sujata Mishra

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  1. Swagatika Satpathy
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  2. Sanghamitra Pradhan
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  3. Sujata Mishra
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Correspondence to Sujata Mishra.

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Satpathy, S., Pradhan, S. & Mishra, S. Studies on liquid–liquid extraction of La(III) from acidic nitrate medium using TBP in petrofin. J Radioanal Nucl Chem 313, 531–536 (2017). https://doi.org/10.1007/s10967-017-5311-1

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  • DOI: https://doi.org/10.1007/s10967-017-5311-1

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