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Production of123I using the CV-28 cyclotron at IPEN-CNEN/SP

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Abstract

These studies had the purpose of establishing the optimal conditions for the production of123I through the124Te (p, 2n)123I reaction, using the CV-28 Cyclotron (Emax=24 MeV for protons) at IPEN-CNEN/SP. Two different targets (TeO2 and TeO2+2% Al2O3) were irradiated in order to check their physical resistance against beam current (up to 12 μA) and length of irradiation (10 min — 2h), and to evaluate the recovery of the radioiodine produced, by a dry distillation process with a high frequency induction furnace. Later on, enriched124TeO2 (96.2%) targets were irradiated, and123I was produced routinely with a production yield of (3. 31±0.07) mCi/μAh, 1.7% of124I at EOB and radiochemically pure.

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares, Comissão Nacional de Energia Nuclear, Caixa Postal 11048, CEP 05422-970, São Paulo, Brazil

    S. A. C. Mestnik, J. Mengatti, W. Nieto, S. I. Yanagawa, L. C. A. Sumiya, C. P. G. Silva & J. A. Osso Jr.

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  1. S. A. C. Mestnik
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  2. J. Mengatti
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  3. W. Nieto
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  4. S. I. Yanagawa
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  5. L. C. A. Sumiya
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  6. C. P. G. Silva
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  7. J. A. Osso Jr.
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Mestnik, S.A.C., Mengatti, J., Nieto, W. et al. Production of123I using the CV-28 cyclotron at IPEN-CNEN/SP. Journal of Radioanalytical and Nuclear Chemistry Letters 175, 75–80 (1993). https://doi.org/10.1007/BF02164107

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  • DOI: https://doi.org/10.1007/BF02164107

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