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Development on $$^{99}$$Mo production technique by solution irradiation method; Characterization of aqueous molybdate solutions

Inaba, Yoshitomo  ; Ishikawa, Koji*; Tatenuma, Katsuyoshi*; Ishitsuka, Etsuo   

A solution irradiation method is proposed as a new production technique of $$^{99}$$Mo, which is the parent nuclide of $$^{99m}$$Tc used as a radiopharmaceutical. In this new method, an aqueous molybdenum solution is irradiated with neutron in a nuclear reactor, and efficient and low cost $$^{99}$$Mo production comparing with conventional $$^{99}$$Mo production methods can be realized by using the $$^{98}$$Mo (n,$$gamma$$) $$^{99}$$Mo reaction and a high performance adsorbent for (n,$$gamma$$) $$^{99}$$Mo. In the present research, some tests under unirradiation and $$gamma$$-ray irradiation were carried out using two kinds of aqueous molybdate solutions to be candidates for the irradiation target of the new method, and the corrosivity for structural materials, chemical stability, radiolysis and $$gamma$$ heating of the solutions were investigated. As a result, it was found that the solutions are promising as the target and that stainless steel can be used as the structural material of capsules and pipes.

Language

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Japanese

Journal

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Nihon Genshiryoku Gakkai Wabun Rombunshi

Volume

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8

Number

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2

Pages

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p.142 - 153

Publication Year/Month

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2009/06

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Paper URL

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https://doi.org/10.3327/taesj.J08.024

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Keywords

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no keyword

Research Facility

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Press Release

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Article of JAEA R&D Review

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Innovative Method to Produce $$^{99}$$Mo for Medical Diagnosis without Uranium; Development of $$^{99}$$Mo Production Technique with Molybdate Solution[/]

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