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评述了微乳液中超细粒子的形成机理，在Ｔｒｉｔｏｎｘ－１００正己醇１０％正己烷水体系的ＷＯ微乳液中制备了ＡｕＦｅ２Ｏ３超细粒子，其粒径随水含量增加，由４ｎｍ变化到６ｎｍ，并与均相沉淀法制备的超细粒子的催化活性进行了比较
The formation mechanism of ultrafine particles in microemulsion was reviewed. Ultrafine particles of AuFe2O3 were prepared in WO microemulsion of Tritonx-100% n-hexanol 10% n-hexane water system. The particle size increased with the increase of water content , From 4 nm to 6 nm, and compared with the catalytic activity of the ultrafine particles prepared by the homogeneous precipitation method