The reduction rate of ferric oxide powder and specific surface area of superfine iron powder were measured, compared and analyzed.

• 研究表明纳米氧化铁粉活性高,还原温度低,可获得微细铁粉;测量了各个温度和时间下反应的还原率和所得粉末的比表面积,并进行了比较和分析。