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

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Abstract

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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Acknowledgements

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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Authors and Affiliations

  1. Department of JMTR, Japan Atomic Energy Agency, 4002 Narita, Oarai, Ibaraki, 311-1393, Japan

    Yoshitaka Fujita, Misaki Seki & Kunihiko Tsuchiya

  2. Atomic Energy Research Institute, Kindai University, 3-4-1 Kowakae, Higashiosaka City, Osaka, 577-8502, Japan

    Tadafumi Sano

  3. Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2 Asashiro-Nishi, Kumatori, Osaka, 590-0494, Japan

    Yasuyuki Fujihara & Junichi Hori

  4. Graduate School of Engineering, Nagaoka University of Technology, 1603-1 Kamitomioka, Nagaoka, Niigata, 940-2188, Japan

    Yoshitaka Fujita & Tatsuya Suzuki

  5. UNION SHOWA K.K., 1-8-40 Kounan, Minato-ku, Tokyo, 108-0075, Japan

    Tomoya Kitagawa & Minoru Matsukura

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  1. Yoshitaka Fujita
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  2. Misaki Seki
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  3. Tadafumi Sano
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  4. Yasuyuki Fujihara
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  5. Tomoya Kitagawa
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  6. Minoru Matsukura
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  7. Junichi Hori
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  8. Tatsuya Suzuki
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  9. Kunihiko Tsuchiya
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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 327, 1355–1363 (2021). https://doi.org/10.1007/s10967-021-07616-z

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  • DOI: https://doi.org/10.1007/s10967-021-07616-z

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