Effect on 99Mo-adsorption/99mTc-elution properties of alumina with different surface structures


We prepared three types of Al2O3 with different surface structures and investigated 99Mo-adsorption/99mTc-elution properties using [99Mo]MoO3 that was irradiated in the Kyoto University Research Reactor. Al2O3 adsorbed [99Mo]molybdate ions in solutions at different pH; the lower was the pH, the higher was the Mo-adsorption capacity of Al2O3. The 99mTc-elution properties of molybdate ion adsorbed Al2O3 were elucidated by flowing saline. Consequently, it was suggested that 99Mo-adsorption/desorption properties are affected by the specific surface of Al2O3 and 99mTc-elution properties are affected by the crystal structure of Al2O3.

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This study was conducted as a part of the joint use study at the Institute for Integrated Radiation and Nuclear Science, Kyoto University.

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Correspondence to Yoshitaka Fujita.

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Fujita, Y., Seki, M., Sano, T. et al. Effect on 99Mo-adsorption/99mTc-elution properties of alumina with different surface structures. J Radioanal Nucl Chem (2021). https://doi.org/10.1007/s10967-021-07616-z

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  • Alumina
  • Mo adsorbent
  • 99Mo/99mTc generator