相转移分离法是1种新颖的陶瓷粉末制备方法,能迅速有效地从溶液中分离出高度亲水的氢氧化物沉淀,从而达到液-固分离的目的.本研究首次用该方法制备了8 mol%氧化钇稳定的氧化锆(8YSZ)超细粉末.合成的8YSZ粉末具有赝立方结构,平均粒径在20 nm～30 nm左右.粉末中Na和Cl的含量分别为7.05×10-6和1.414×10-4.工艺中的石油醚可以回收,回收率为80%.可以认为,相转移分离法是1种有广阔应用前景的超细陶瓷粉末制备方法.
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