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  • 1 Lanzhou University Department of Modern Physics 730000 Lanzhou, Gansu P. R. China
  • 2 Lanzhou University Department of Chemistry 730000 Lanzhou, Gansu P. R. China
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A simple chromatographic method to separate carrier-free60Co and54Mn, produced in the neutron irradiation of Fe2O3, has been developed. The separation of carrier-free60Co was performed in the displacement mode using DTPA as a displacer and H+ as a barrier ion; carrier-free54Mn was separated in the form of54MnO 4 from55+59Fe in the elution mode using HNO3 as an eluent.