| 沉淀法制备稀土氧化物纳米粉体的研究 |
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| 引用本文： | 魏坤,何地宝,翟建伟. 沉淀法制备稀土氧化物纳米粉体的研究[J]. 稀土, 1999, 20(4): 2 |
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| 作者姓名： | 魏坤 何地宝 翟建伟 |
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| 作者单位： | 1. 南昌大学稀土工程中心,江西,南昌,330047
2. 江阴加华稀土新材料资源公司,江苏,江阴,214444 |
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| 摘 要： | 研究了沉淀法制备稀土纳米粉体的工艺。结果表明：采用草酸作沉淀剂能够制备出球形颗粒的稀土纳米粉体，其一次粒子＜５０ｎｍ，团聚尺寸Ｄ５０＜１μｍ，比表面积＞９ｍ２／ｇ，Ｃｌ－的质量分数小于５０×１０－６，该工艺具有工业推广价值
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| 关 键 词： | 稀土；纳米粉体；草酸；沉淀法 |
| 文章编号： | 1004-0277(1999)04-0027-04 |
Synthesis of Nanocrystalline Rare Earth Oxide Powders by Precipitation Method |
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| Wei Kun,He Di-bao,Zhai Jian-wei. Synthesis of Nanocrystalline Rare Earth Oxide Powders by Precipitation Method[J]. Chinese Rare Earths, 1999, 20(4): 2 |
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| Authors: | Wei Kun He Di-bao Zhai Jian-wei |
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| Abstract: | The precipitation synthesis of nanocrystalline rare earth oxide powders had been studied.The research results show that the sphere nanocrystalline rare earth oxide powders could be obtained with oxalic acid as precipitate agent.The particle diameter was less than 50nm.The agglomerate size was less than 1m.The specific surface area was more than 9m2/g.The content of chlorine was less than 5010-6 |
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| Keywords: | rare earth nanocrystalline powders oxalic acid precipitation method |
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