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Extraction of neodymium(III) using binary mixture of Cyanex 272 and Cyanex 921/Cyanex 923 in kerosene

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Abstract

The extraction of Nd(III) using binary mixtures of Cyanex 272 (HA), Cyanex 921/Cyanex 923 (B) in kerosene from nitric acid medium has been investigated. The effect of aqueous phase acidity, extractant concentration, nitrate ion concentration and diluents on the extraction of Nd(III) has been studied. On the basis of slope analysis results, extracted species are proposed as Nd(NO3)A2·3HA and Nd(NO3)2·A·3HA·B using Cyanex 272 and its mixture with Cyanex 921/Cyanex 923, respectively. With the mixture of 0.1 M Cyanex 272 and 0.1 M Cyanex 923 in kerosene, the extraction of 0.001 M Nd(III) from 0.001 M HNO3 solution was found to be 83.3 % whereas it was 73.3 % when 0.1 M Cyanex 921 used as synergist under same experimental conditions. The stripping data of Nd(III) from the loaded organic phase containing 0.1 M Cyanex 272 and 0.1 M Cyanex 921/Cyanex 923 with different acids indicated sulphuric acid to be the best stripping agent.

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Acknowledgments

The authors are thankful to Cytec Inc., Canada for providing the gift sample of extractants. The authors are grateful to authorities of Siksha ‘O’ Anusandhan deemed to be University for the encouragement to carry out this research work.

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Authors and Affiliations

  1. Department of Chemistry, Institute of Technical Education and Research, Siksha ‘O’ Anusandhan Deemed to be University, Bhubaneswar, 751030, Orissa, India

    Nandita Panda, Nihar Bala Devi & Sujata Mishra

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  1. Nandita Panda
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  2. Nihar Bala Devi
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  3. Sujata Mishra
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Correspondence to Sujata Mishra.

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Panda, N., Devi, N.B. & Mishra, S. Extraction of neodymium(III) using binary mixture of Cyanex 272 and Cyanex 921/Cyanex 923 in kerosene. J Radioanal Nucl Chem 296, 1205–1211 (2013). https://doi.org/10.1007/s10967-013-2425-y

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