应用水热反萃技术从负载铁的环烷酸-异辛醇-煤油有机相中制备了α-Fe2O3纳米粉末.红外光谱分析表明环烷酸在实验条件下是稳定的;TEM表明,制得的粉末颗粒组成均一、结晶完好、近似椭球形,平均粒径在2~30 nm范围,此法不产生环境污染.粉末的粒度可以通过改变铁浓度、水相pH值、温度、反萃时间和加入表面活性物质等措施得到控制.
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