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author:

冯祖勇 (冯祖勇.) [1] | 潘海波 (潘海波.) [2] | 黄长沧 (黄长沧.) [3] | 沈水发 (沈水发.) [4] | 陈耐生 (陈耐生.) [5]

Abstract:

采用氨水-尿素沉淀法,研究了不同pH值条件下制得α-Fe_2O_3纳米粉体的性能,对制备过程中氢氧化铁前驱体分散性和表面电位之间的关系进行了系统的研究,并从双电层理论及反应机理分析了pH值对沉淀的形成及团聚状态的影响,得到了反应的优化条件(溶液的pH值应控制在9以上),制得了粒径小、颗粒分布均匀、少团聚的α-Fe_2O_3纳米粉体。

Keyword:

pH值 α-Fe_2O_3 沉淀

Community:

  • [ 1 ] 福州大学化学系功能材料研究所

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Year: 2001

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 4

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