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Ion imprinted sol-gel nanotubes membrane for selective separation of copper ion from aqueous solution

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Abstract

Selective separation of Cu(II) ions from aqueous solution was accomplished with a new type of ion-imprinted silica nanotube membrane. A study on its capability for adsorption and selective recognition showed that best selectivity coefficient over Zn(II) ion was over 150, which is much higher than those of control silica nanotube membranes. The largest relative selectivity coefficient over Zn(II) was >200. The new membrane also possess a fast kinetics for the removal of Cu(II) from aqueous solution, an equilibrium period of <30 min, and suitability for repeated use. Hence, the new membrane acts as an effective material for highly selective preconcentration and separation of Cu(II) ion.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 20775003) and Colleges and universities young talents fund (2010SQRL109).

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Authors and Affiliations

  1. Anhui Key Laboratory of Functional Coordination Compounds, School of Chemistry and Chemical Engineering, Anqing Normal College, Anqing, 246011, People’s Republic of China

    Wang Zhuqing, Wang Min, Wu Genhua, Shen Yuyong & He Chiyang

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  1. Wang Zhuqing
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  2. Wang Min
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  3. Wu Genhua
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  4. Shen Yuyong
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  5. He Chiyang
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Correspondence to He Chiyang.

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Zhuqing, W., Min, W., Genhua, W. et al. Ion imprinted sol-gel nanotubes membrane for selective separation of copper ion from aqueous solution. Microchim Acta 169, 195–200 (2010). https://doi.org/10.1007/s00604-010-0332-2

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  • DOI: https://doi.org/10.1007/s00604-010-0332-2

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