摘要：报道了采用十二烷基硫酸钠进行磁性颗粒的二次改性通过胶溶法制备稳定的磁流体。应用X射线衍射、透射电镜对磁性颗粒的结构、粒径、形貌进行了表征,并探讨了制备条件对磁流体性质的影响。

关键词： 胶溶;磁流体;十二烷基硫酸钠

Abstract：T he preparation of stable magnetic fluid by the way of gel with using C₁₂H₂₃OSO₃Na is introduced．T he characters are analysed by X － ray and T EMand the effects produced by preparation conditions on the properties of magnetic fluid are discussed 

Keywords：gel；water-based magnetic fluid；C₁₂H₂₃OSO₃Na