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Determination of the fission-product distribution in SiC coating layer of fuel particles

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Summary

The stepwise removal of SiC coating layer of the coated fuel particles has been studied with several fused alkalis. Treatment by a mixture of KOH and Na2CO3 in the ratio 4∶1 at 800° is most suitable for the removal to determine the distribution of fission products. The distribution of fission products, including gases, can be determined by this method.

Zusammenfassung

Die schrittweise Entfernung der SiC-Schutzschicht von Brennstoffteilchen mit Hilfe geschmolzener Alkalien wurde untersucht. Die Behandlung mit einem Gemisch aus KOH und Na2CO3 im Verhältnis 4∶1 bei 800° C eignet sich am besten für die Bestimmung der Verteilung von Spaltungsprodukten einschließlich Gasen in diesen Schutzschichten.

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Authors and Affiliations

  1. Division of Nuclear Fuel Research, Japan Atomic Energy Research Institute, Tokai-mura, Ibaragi-ken, Japan

    K. Fukuda & K. Iwamoto

Authors
  1. K. Fukuda
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  2. K. Iwamoto
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Fukuda, K., Iwamoto, K. Determination of the fission-product distribution in SiC coating layer of fuel particles. Mikrochim Acta 66, 99–110 (1976). https://doi.org/10.1007/BF01257100

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  • DOI: https://doi.org/10.1007/BF01257100

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