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[en] Activation of uranium dioxide (UO2) by reoxidation to U3O8 and reduction to uranium dioxide (UO2) by temperature reduction variation of 850oC and 900oC for 3 hours has been studied. The physical properties before and after treatment are compared. It proved that the oxidation-reduction cycle increased the physical properties. It can be concluded that the reoxidation of UO2 to U3O8 on fourth cycle and reduction at 900oC for 3 hours result in a density of 1.32 gram/ml a tap density of 1.60 gram/ml, true density of 9.08 gram/ml and O/U ratio : 2.04. Reduction at 850oC, for 3 hours result in the bulk density of 1.30 gram/ml, tap density of 1.58 gram/ml, true density of 9.04 gram/ml and O/U ratio 2.09
Source
Sudjatmoko; Karmanto, Eko Edy; Endang-Supartini (Yogyakarta Nuclear Research Centre, National Atomic Energy Agency, Yogyakarta (Indonesia)); National Atomic Energy Agency, Yogyakarta Nuclear Research Centre, Yogyakarta (Indonesia); 394 p; ISSN 0216-3128; 
; Apr 1996; p. 215-218; Scientific Meeting and Presentation on Basic Research in Nuclear Science and Technology; Pertemuan dan Presentasi Ilmiah Penelitian Dasar Ilmu Pengetahuan Teknologi Nuklir; Yogyakarta (Indonesia); 23-25 Apr 1996; Also available from Centre for Development of Nuclear Informatics, National Nuclear Energy Agency, Puspiptek Area, Fax. 62-21-7560923, PO BOX 4274, Jakarta (ID); 4 refs; 3 tabs.
; Apr 1996; p. 215-218; Scientific Meeting and Presentation on Basic Research in Nuclear Science and Technology; Pertemuan dan Presentasi Ilmiah Penelitian Dasar Ilmu Pengetahuan Teknologi Nuklir; Yogyakarta (Indonesia); 23-25 Apr 1996; Also available from Centre for Development of Nuclear Informatics, National Nuclear Energy Agency, Puspiptek Area, Fax. 62-21-7560923, PO BOX 4274, Jakarta (ID); 4 refs; 3 tabs.