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Study on the separation of Co2+ from Zn2+, Cd2+ by anion-exchange chromatography

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Abstract

The separation of Co2+ from Zn2+, Cd2+ by anion-exchange chromatography was discussed. The chromatographic column containing anion resin 201 × 7 which was saturated with a solution of ammonium chloride. The effects of the eluant acidity and eluant composition on the separation were investigated. The results indicate that this anion-exchange chromatography is suitable to the separation of Co2+ from Zn2+, Cd2+, and the condition of separation is simple and convenient. When the column is saturated with NH4Cl solution (2.0 mol/L, pH=4.0), the separation can be completed effectively. Zn2+ and Cd2+ can also be separated when different eluants are used and the pure solution with high concentration of Zn2+, Cd2+ respectively can be obtained easily.

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Central South University of Technology, 410083, Changsha, China

    Wang Xin-yan, Zhou Chun-shan & Wang Yan

Authors
  1. Wang Xin-yan
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  2. Zhou Chun-shan
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  3. Wang Yan
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Additional information

Biography of the first author: WANG Xin-yan, born in Dec. 1975, majoring in extraction chemistry.

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Wang, Xy., Zhou, Cs. & Wang, Y. Study on the separation of Co2+ from Zn2+, Cd2+ by anion-exchange chromatography. J Cent. South Univ. Technol. 7, 88–91 (2000). https://doi.org/10.1007/s11771-000-0039-3

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  • DOI: https://doi.org/10.1007/s11771-000-0039-3

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