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  • 1 Commission of the European Communities J.R.C. European Institute for Transuranium Elements Postfach 2340 D-7500 Karlsruhe (Germany)
  • 2 Central Research Institute of Electric Power Industry Komae Research Laboratory 11-1 Iwato Kita 2-Chome 201 Komae-Shi Tokyo (Japan)
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Abstract  

In order to study the dissolution behavior of a highly burnt LWR fuel, a fuel pin irradiated in the DR3 test reactor in Risoe National Laboratory, has been characterized by microstructural examination and then dissolved under PUREX type conditions. The dissolution behavior was investigated and the residues analyzed by scanning electron microscopy and by ICP-MS and IDMS after dissolution.