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Synthesis of pyridine-based task-specific ionic liquid with alkyl phosphate cation and extraction performance for uranyl ion

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Abstract

A pyridine-based task-specific ionic liquid (TSIL) designed to extract uranyl ion (U (VI)) from nitric acid medium was synthesized through the introduction of tributyl phosphate functional group in cationic of the ionic liquid. Its structure was confirmed by Fourier transform infrared spectrometer, nuclear magnetic resonance spectrum, and element analysis. The TSIL can be used simultaneously as solvents and extractants for extracting U (VI) in nitric acid medium. Preliminary extraction data showed that it could be efficiently used to extract U (VI) in nitric acid medium at room temperature.

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Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (NSFC, No. 50774031).

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Authors and Affiliations

  1. Handan Key Laboratory of Organic Small Molecule Materials, Department of Chemistry, Handan College, Handan, 056005, China

    Hongyu Li, Bo Wang & Shuming Liu

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  1. Hongyu Li
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  2. Bo Wang
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  3. Shuming Liu
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Correspondence to Hongyu Li.

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Li, H., Wang, B. & Liu, S. Synthesis of pyridine-based task-specific ionic liquid with alkyl phosphate cation and extraction performance for uranyl ion. Ionics 21, 2551–2556 (2015). https://doi.org/10.1007/s11581-015-1447-6

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  • DOI: https://doi.org/10.1007/s11581-015-1447-6

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