【作者】 柳召刚； 李梅； 史振学； 胡艳宏； 王觅堂； 吴锦绣；

【Author】 (1.School of Materials and Metallury,Inner Mongolia university of Science and technology, Baotou 014010,China)

【机构】 内蒙古科技大学材料与冶金学院； 内蒙古科技大学稀土学院；

【摘要】 本文研究了碳酸盐沉淀法制备超细氧化铈粉体的工艺。结果表明采用碳酸盐正向沉淀法可以得到超细氧化铈粉体,其体积中心粒径D₅₀为0.086μm、比表面积为59.489m²·g^-1,晶体结构为立方晶系,CaF₂萤石型结构,形状为棒状,分散性较好。更多还原

【Abstract】 The carbonate precipitation synthesis of cerium Oxide ultrafine powers had been studied.The research result show that the cerium oxide ultrafine powers could be obtained with ammonium bicarbonate as precipitate agent by positive precipitation method.The volume median was 0.086μm、The specific surface was 59.489 m¹·g^-1.The CeO₂ ultrafine powders was cubic fluorite structure.Its shape was dispersed rodlike with good dispersion.更多还原