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含肼稀土草酸盐热分解制备大比表面积稀土氧化物

Preparation of Rare Earth Oxides with High Specific Surface Area by Thermal Decomposition of Hydrazine-Containing Rare Earth Oxalates

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【Author】 LU Shi xin 1,WANG Zhen hua 1,ZHANG De yuan 1,WANG Ye ming 1 WU Jie da 2,YANG Yu xiang 2,HUANG Zhong liang 2,SUN Guo zhong 2 (1 Yuelong Non Ferrous Metals Company Limited.Shanghai 200949; 2.Department of Chemistry,Tongji University,

【机构】上海跃龙有色金属有限公司!上海200949；同济大学!上海200092；

【摘要】利用肼 (或肼盐 )易分解同时释放大量的热和气体这一特点 ,将肼 (或肼盐 )添加到草酸稀土中去 ,热分解含肼稀土草酸盐可制得比表面积较常法制备的大得多的稀土氧化物。更多还原

【Abstract】 A method for preparation of rare earth oxides with high specific surface area was described.Hydrazine containing rare earth oxalates as the precursors were synthesized by using rare earth oxalates and hydrazine.The specific surface area of rare earth oxides made by the method described in this paper is higher than that by the usual method.更多还原

【关键词】稀土氧化物；肼；比表面积；
【Key words】 rare earth oxides； hydrazine； specific surface area；

【基金】上海市科委投资基金!资助项目 (9715110 0 6 )

【文献出处】稀土 ,CHINESE RARE EARTHS , 编辑部邮箱 ,2000年04期

【分类号】TQ133.3
【被引频次】4
【下载频次】109

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