| Ni(OH)_2晶型构造控制研究 |
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| 引用本文： | 李启厚,安然,陈松,刘志宏,郭学益,张多默.Ni(OH)_2晶型构造控制研究[J].中国粉体技术,2000(3). |
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| 作者姓名： | 李启厚 安然 陈松 刘志宏 郭学益 张多默 |
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| 作者单位： | 中南工业大学有色金属冶金系!湖南长沙410083 |
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| 基金项目： | 国家自然科学基金资助项目!(59774018) |
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| 摘 要： | 采用氨络合沉淀法制备了Ni(OH) 2 微粒。基于Ni(OH) 2 的结构特征 ,考察了阴离子、氨浓度、反应陈化时间对Ni(OH) 2 的结构控制规律 ,并用负离子配位多面体生长基元理论对此进行解释 ,认为通过改变反应体系物理化学条件来改变有关生长基元及其维度、连接方式是控制粉体结构的有效途径
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| 关 键 词： | Ni(OH)_2 结构控制 负离子配位多面体 生长基元 |
Study on Control of Crystal Structure of Ni(OH)_2 |
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| LI Qihou,AN Ran,CHEN Song,LIU Zhihong,GUO Xueyi,ZHANG Duomo.Study on Control of Crystal Structure of Ni(OH)_2[J].China Powder Science and Technology,2000(3). |
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| Authors: | LI Qihou AN Ran CHEN Song LIU Zhihong GUO Xueyi ZHANG Duomo |
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| Abstract: | Ni(OH) 2 powder is prepared by virtue of the method of NH 3 coordination precipitation.Based on characters of Ni(OH) 2 structure,the effcts of anion、NH 3 amount and precipitation time on Ni(OH) 2 structure are investigated,which is explained with the theoretical model that the grow units are polyhedral structure of cordination anions.The results show that Ni(OH) 2 structure can be effctively controlled by grow unit and its dimension、cnnection patterns varying with change of physical and chemical conditions in aqueous solution. |
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| Keywords: | Ni(OH)_2 structural control polyhedral structure of coordination anion grow unit |
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