| Li4Mn0.5Ti0.5O4合成与鉴定 |
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| 引用本文： | 江津河,董殿权,李建隆. Li4Mn0.5Ti0.5O4合成与鉴定[J]. 应用化学, 2006, 23(4): 357-361 |
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| 作者姓名： | 江津河 董殿权 李建隆 |
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| 作者单位： | 青岛科技大学化工学院 |
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| 基金项目： | 中国科学院资助项目;山东省科技厅资助项目 |
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| 摘 要： | Li4Mn0.5Ti0.5O4合成与鉴定;LiMnTi复合氧化物;尖晶石型结构;离子筛;离子交换;锂
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| 关 键 词： | Li4Mn0.5Ti0.5O4合成与鉴定 LiMnTi复合氧化物 尖晶石型结构 离子筛 离子交换 锂 |
| 文章编号： | 1000-0518(2006)04-0357-05 |
| 收稿时间： | 2005-06-12 |
| 修稿时间： | 2005-12-16 |
Synthesis of Li4Mn0.5Ti0.5O4 and Its Selectivity to Li + Exchange |
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| JIANG Jin-He,DONG Dian-Quan,LI Jian-Long. Synthesis of Li4Mn0.5Ti0.5O4 and Its Selectivity to Li + Exchange[J]. Chinese Journal of Applied Chemistry, 2006, 23(4): 357-361 |
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| Authors: | JIANG Jin-He DONG Dian-Quan LI Jian-Long |
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| Affiliation: | College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042 |
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| Abstract: | The inorganic ion-exchanger Li_(4)Mn_(0.5)Ti_(0.5)O_(4) of spinal type was prepared by the coprecipitation/thermal crystallization method,and was modified by impregnation in an acid.Its ion-exchange properties for alkali ions such as saturation capacity of exchange,distribution coefficient,the pH titration curve and service cycles were(determined).Li_(4)Mn_(0.5)Ti_(0.5)O_(4) was characterized by X-ray diffraction.These results show that this inorganic ion-sieve has better memory effect and exchange selectivity,and higher exchange capacity for Li~( ),with a(saturation) exchange capacity for Li~( ) of 5.96 mmol/g.At the same time,lower extration ratios for Mn~(4 ) and Ti~(4 ) were maintained. |
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| Keywords: | Li-Mn-Ti composite oxide ion exchange lithiun inorganic-ion-sieve spinal type structure |
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