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Preparation of carrier-free123I with a high radionuclidic purity

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Abstract

With the use of an 80 MeV isochronous cyclotron, a preparation procedure for123I is outlined. The nuclear reaction applied in the process is:

$$^{127} I\left( {p,5n} \right)^{123} Xe\xrightarrow[{2.1h}]{{\beta ^ + CE}}^{123} I$$

A liquid target is irradiated and a continuous gas-liquid extraction of parent123Xe is performed. After a short growth time the daughter123I is dissolved and treated for various applications. The radionuclidic purity is very high, only125I is detectable with a maximum of 0.2% to the end of the preparation process. In this production of carrier-free123Xe and123I, the major chemical problem consists of a separation into microquantities. Attempts to find a solution to various technical problems are also described.

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Authors and Affiliations

  1. National Institute for Radioelements, B-6220, Fleurus, (Belgium)

    P. Bievelez & R. Charlier

  2. University of Louvain-la-Neuve, (Belgium)

    M. Cogneau & Y. Jongen

Authors
  1. P. Bievelez
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  2. M. Cogneau
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  3. R. Charlier
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  4. Y. Jongen
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Bievelez, P., Cogneau, M., Charlier, R. et al. Preparation of carrier-free123I with a high radionuclidic purity. J. Radioanal. Chem. 30, 67–79 (1976). https://doi.org/10.1007/BF02516619

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  • DOI: https://doi.org/10.1007/BF02516619

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