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Zinc isotope separation in acetone by displacement chromatography using benzo-15-crown-5 resin

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Abstract

Zinc isotope separation was studied by column chromatographies using resorcinol-formaldehyde-resin grafted with benzo-15-crown-5 in the porous silica beads. Chromatography was performed in a break-through manner by feeding the acetone solution of zinc chloride into the columns. Zinc isotopic abundance ratios of 66Zn/64Zn and 68Zn/64Zn were measured by ICP-MS. It has been found that the heavier isotopes are preferentially enriched at the front boundary region. This result proves 64Zn depleted zinc can be obtained by collecting the effluents of front boundary region. The separation coefficient (ɛ) observed by five meters migration treatment is 0.81 · 10−3 for the isotopic pair of 68Zn/64Zn at 25 °C and higher separation coefficient was obtained from more concentrated zinc chloride solution.

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Author notes

  1. X. Ding

    Present address: Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan

Authors and Affiliations

  1. Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan

    T. Suzuki, M. Nomura, H. -J. Kim, Y. Sgiyama & Y. Fujii

Authors
  1. X. Ding
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  2. T. Suzuki
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  3. M. Nomura
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  4. H. -J. Kim
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  5. Y. Sgiyama
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  6. Y. Fujii
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Ding, X., Suzuki, T., Nomura, M. et al. Zinc isotope separation in acetone by displacement chromatography using benzo-15-crown-5 resin. J Radioanal Nucl Chem 273, 79–84 (2007). https://doi.org/10.1007/s10967-007-0714-z

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  • DOI: https://doi.org/10.1007/s10967-007-0714-z

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