Elaboration of an iodine-bearing apatite Iodine diffusion into a Pb3(VO4)2 matrix

摘要: In the context of a scientific program on long-lived radionuclide conditioning, matrix for iodine 129 immobilization has been synthesized and characterized. A lead vanado-iodoapatite Pb 10 (VO 4 ) 6 I 2 was prepared from melt 3 PbI in stoichiometric amounts. Iodine is volatile it necessary to use closed system synthezise compound. conditioning program, contamination must be avoided, we have developed method prepare an iodoapatite without gas release. Lead synthezised directly as core included external . Otherwise, thermal behaviour ceramic (250°C) studied by diffusion analysis.