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Solubility of Eu2(SeO3)3 and sorption of Eu(III) onto TiO2 in the presence of Se(IV)

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Abstract

Metal ions sorption can be significantly affected by the presence of other sorbates, especially of complexing ligands. In this study, the effect of Se(IV) on Eu(III) sorption onto TiO2 at different pH and Eu(III) concentration was investigated. Se(IV) was found to enhance Eu(III) sorption as a function of Se(IV) concentration. Constant capacitance model was successfully used to interpret the sorption experimental data. The solubility product of Eu2(SeO3)3 at ambient temperature was investigated to highlight the sorption mechanism of ternary sorption system. The pK sp value of Eu2(SeO3)3 was found to be 31.51 ± 0.95.

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Acknowledgments

The financial support by the National Natural Science Foundation of China (Nos. 20971061, 20871062 and J1030932) is gratefully appreciated.

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Authors and Affiliations

  1. Radiochemistry Laboratory, School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China

    Keliang Shi, Fuqiang Liu, Yuanlv Ye, Zhijun Guo & Wangsuo Wu

Authors
  1. Keliang Shi
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  2. Fuqiang Liu
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  3. Yuanlv Ye
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  4. Zhijun Guo
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  5. Wangsuo Wu
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Corresponding authors

Correspondence to Zhijun Guo or Wangsuo Wu.

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Shi, K., Liu, F., Ye, Y. et al. Solubility of Eu2(SeO3)3 and sorption of Eu(III) onto TiO2 in the presence of Se(IV). J Radioanal Nucl Chem 292, 1277–1283 (2012). https://doi.org/10.1007/s10967-011-1600-2

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  • DOI: https://doi.org/10.1007/s10967-011-1600-2

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