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Study of valence state of iodine in simulated fuel solution of medical isotope production reactor

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Abstract

The effects of temperature, heating-time, concentration of HNO3 and γ-ray irradiation on the valence states of iodine in a simulated fuel solution of a medical isotope production reactor (MIPR) were investigated. About 83% of I− was oxidized to IO3 − and 10% of I− was oxidized to I2 in uranyl nitrate solution after heating at 70 °C for 6 hours. Heating and existence of oxidant, U and ionizing radiation accelerate the oxidation process of iodine, and results in most of the iodine being produced in high oxidation states such as in IO3 − and IO4 −. The results indicate that the production of 131I by MIPR can be carried out by extraction of iodine in high oxidation states from the fuel solution.

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Authors and Affiliations

  1. Nuclear Power Institute of China, YUNKE Pharmacy, P.O. Box 436, Chengdu, 610041, P.R. China

    Qi-min Deng, Zuo-yong Cheng & Mao-liang Li

Authors
  1. Qi-min Deng
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  2. Zuo-yong Cheng
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  3. Mao-liang Li
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Correspondence to Qi-min Deng.

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Deng, Qm., Cheng, Zy. & Li, Ml. Study of valence state of iodine in simulated fuel solution of medical isotope production reactor. J Radioanal Nucl Chem 279, 313–316 (2009). https://doi.org/10.1007/s10967-007-7245-5

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  • DOI: https://doi.org/10.1007/s10967-007-7245-5

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