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XU Kui, LIU Jin-hong, HU Bai-gui. Preparation of AUGdC by Means of Co-precipitation[J]. Atomic Energy Science and Technology, 2008, 42(2): 163-166. DOI: 10.7538/yzk.2008.42.02.0163
Citation: XU Kui, LIU Jin-hong, HU Bai-gui. Preparation of AUGdC by Means of Co-precipitation[J]. Atomic Energy Science and Technology, 2008, 42(2): 163-166. DOI: 10.7538/yzk.2008.42.02.0163
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Preparation of AUGdC by Means of Co-precipitation

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  • The preparation of ammonium uranyl gadolinium carbonate (AUGdC) using (NH4)2CO3 solution from the mixed solution of UO2(NO3)2 and Gd(NO3)3 by means of co-precipitation was investigated. The experiment shows that controlling the feed concentration in the range of 300-400 g/L and the volume ratio of (NH4)2CO3 and UO2(NO3)2 solution in the range of 2.0-2.4 is feasible. The deoxidizing, pressing and sintering performances of preparated AUGdC powder are excellent. The sinter density of UO2-Gd2O3 pellets is above 96%T.D.(theoretical density), Gd and U distributing equally, forming the UO2-Gd2O3 solid solution, the average grain size is above 18 μm.
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