| 沸腾回流强迫水解法制备均分散α—Fe2O3超微粒水溶胶 |
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| 引用本文： | 阚世海,张岩.沸腾回流强迫水解法制备均分散α—Fe2O3超微粒水溶胶[J].高等学校化学学报,1993,14(7):1013-1014. |
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| 作者姓名： | 阚世海 张岩 |
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| 作者单位： | 吉林大学化学系，吉林大学化学系，吉林大学化学系，吉林大学化学系，吉林大学化学系 长春 130023，长春 130023，长春 130023，长春 130023，长春 130023 |
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| 摘 要： | Matijevic等曾报道在密闭静态环境下强迫水解酸化的铁盐溶液制备出几种形状单一的微米或亚微米级的均匀α-Fe_2O_3或β-FeOOH胶体粒子。类似的工作国内亦有报道。如粒子尺寸减小到纳米量级,则体系兼有表面效应、体积效应和特殊的光学性质。我们尝试用强迫水解法制备粒径几十纳米的球形或立方形的α-Fe_2O_3均分散胶体粒子,结果获得成功。
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| 关 键 词： | 均分散 水溶胶 氧化铁 |
Preparation of Ultrafine Monodispersed Hematite Hydrosol Partieres by Forced Hydrolysis in Boiling Reflux State |
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| KAN Shi-Hai,ZHANG Yan,PENG Xiao-Gang,LI Shou-Tian,XIAO Liang-Zhi.Preparation of Ultrafine Monodispersed Hematite Hydrosol Partieres by Forced Hydrolysis in Boiling Reflux State[J].Chemical Research In Chinese Universities,1993,14(7):1013-1014. |
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| Authors: | KAN Shi-Hai ZHANG Yan PENG Xiao-Gang LI Shou-Tian XIAO Liang-Zhi |
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| Abstract: | Spherical and cubic monodispersed hematite colloidal particles (30, 40 and 65 nm) were prepared by forced hydrolysis of acidified solutions of FeCl3. The reaction system is dynamic and open to increase the relative motion speed between the solute ions and the nuclei. The shape and size of the particles depend on the experimental conditions. The particles were characterized by TEM and XRD. |
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| Keywords: | Monodisperse Hematite Hydrosol |
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