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Liquid–liquid extraction of uranium(VI) from weak sodium acetate medium using 2-octylaminopyridine: real sample analysis

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Abstract

The analytical technique has been developed for the extraction and determination of uranium(VI). This process is based on the ion-pair complex formation of uranium(VI) with 2-octylaminopyridine in xylene. Uranium(VI) is quantitatively extracted by optimizing the parameters of solvent extraction in presence of sodium acetate, such as pH, concentration of weak organic acids, strippant, shaking period, solvent study, and concentration of extractant. A mechanism of extraction was proposed based on the slope ratio analysis method. The interference of various cations and anions was also investigated. The versatility of the developed method was investigated by employing it to binary and ternary mixtures. The robustness of the method was demonstrated by determining uranium(VI) in the bone sample.

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Acknowledgements

The author would like to thanks to UGC for providing teacher fellowship for completion of this work and special thanks to UGC-SAP-DRS-II and DST-FIST level-I for providing instrumentation facilities.

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Authors and Affiliations

  1. Analytical Chemistry Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur, 416004, India

    Gurupad D. Kore, Arjun N. Kokare, Vishal J. Suryavanshi, Mansing A. Anuse & Sanjay S. Kolekar

  2. Department of Chemistry, Padmabhushan Vasantraodada Patil Mahavidyalaya, Kavathemahankal, MS, 416405, India

    Gurupad D. Kore

  3. Department of Chemistry, J. M. Patel Arts, Commerce and Science College, Bhandara, MS, 441904, India

    Sunil B. Zanje

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  1. Gurupad D. Kore
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  2. Sunil B. Zanje
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Correspondence to Gurupad D. Kore.

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Kore, G.D., Zanje, S.B., Kokare, A.N. et al. Liquid–liquid extraction of uranium(VI) from weak sodium acetate medium using 2-octylaminopyridine: real sample analysis. J Radioanal Nucl Chem 329, 975–982 (2021). https://doi.org/10.1007/s10967-021-07828-3

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