用水热反萃法制备氧化铁粉末

材料研究学报, 2003, 17(5): 466-470. doi: 10.3321/j.issn:1005-3093.2003.05.003

用水热反萃法制备氧化铁粉末

康晓红 ^1, , 王兴尧 ^2, , 谢慧琴 ^3, , 卢立柱 ^4,

1.中国科学院过程工程研究所;北方交通大学

2.中国科学院过程工程研究所

3.中国科学院过程工程研究所

4.中国科学院过程工程研究所

基金项目: 国家自然科学基金(20276074)

关键词：无机非金属材料 , 氧化铁粉体 , 水热反萃 , 晶粒粒度

Synthesis of hematite powders by hydrothermal stripping

用水热反萃法制备了氧化铁粉体,采用TEM与XRD方法对其进行了表征.结果表明,有机相中的铁浓度、水热反萃温度的提高和水相pH值的降低均有利于晶粒粒度的增大,杂质H2PO-4的引入大幅度降低了氧化铁粉末粒度用水热反萃法可以直接获得组成均一、粒度小、结晶完好的α-Fe2O3.

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