| 球形微米级CaCO3的制备 |
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| 引用本文： | 赵振国 丁丁. 球形微米级CaCO3的制备[J]. 北京大学学报(自然科学版), 1996, 32(6): 777-780 |
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| 作者姓名： | 赵振国 丁丁 |
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| 作者单位： | 北京大学物理化学研究所，北京，100871 |
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| 摘 要： | 球形微米级ＣａＣＯ３的制备赵振国丁丁（北京大学物理化学研究所，北京，１００８７１）关键词ＣａＣＯ３粉体；粉体制备中图分类号Ｏ６４８．１５几何尺寸为微米级的微粉体开始出现表面效应，有的有实用价值。ＣａＣＯ３微粉可作为纸张和塑料制品的添加剂。以高分子量低...
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| 关 键 词： | CaCO3粉体 粉体制备 |
| 收稿时间： | 1996-03-28 |
Preparation of Spherical CaCO_3 Powers |
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| ZHAO Zhenguo DING Ding. Preparation of Spherical CaCO_3 Powers[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 1996, 32(6): 777-780 |
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| Authors: | ZHAO Zhenguo DING Ding |
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| Affiliation: | Department of Chemistry, Peking University, Beijing, 100871 |
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| Abstract: | The pure spherical CaCO_3 powders have been prepared by decomposition of chelates. The experimental results show that the spherical CaCO_3 powders were obtained when the ethylenediaminetetraacetic acid(H_4edta)as chelating agent was applied and it concentration was suitable. The large increase in partical size occurs as ageing at higher temperature. |
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| Keywords: | CaCO_3 powder preparation of powders |
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