摘要：将表面活性剂加入到一种热稳定性有机介质中作为油相 ,铬 (Ⅵ )盐溶液中加入某种还原助剂作为水相 ,制成W /O型微乳纳米反应器 ,利用该技术制备出了不同粒度范围内的单分散球形氧化铬 (Ⅲ )超细粉体

关键词：氧化铬(Ⅲ);超细粉体;微乳纳米反应器;表面活性剂;

Abstract：Spherical superfine chromiun （Ⅲ） oxide powder of different sizes and size distributions are prepared by in a W／O microemulsion system．It is shown that the parameters of microemulsion reactor，the heating treatment have a significant influence on the performance of the particles． 

Key words：chromium （ Ⅲ ） oxide；superfine powder；microemulsion reactor；surfactant