| 石英晶体微天平技术研究咪唑类离子液体与气体分子的相互作用 |
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| 引用本文： | 徐秀明,李昌志,赵宗保,王俊德,李海洋.石英晶体微天平技术研究咪唑类离子液体与气体分子的相互作用[J].高等学校化学学报,2009,30(7):1322-1325. |
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| 作者姓名： | 徐秀明 李昌志 赵宗保 王俊德 李海洋 |
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| 作者单位： | 1. 中国科学院大连化学物理研究所, 大连 116023;
2. 中国科学院研究生院, 北京 100039 |
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| 摘 要： | 基于石英晶体微天平(Quartz Crystal Microbalance, QCM)技术, 建立了一种测定气体在离子液体(ILs)中基本热力学参数的方法. 测定了5种可挥发有机物(VOCs)在6种咪唑类离子液体中的亨利常数, 并对可能的作用机理进行了探讨. 结果表明, QCM技术可以作为研究离子液体溶解性和作用规律的有效方法.
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| 关 键 词： | 离子液体 石英晶体微天平 亨利常数 热力学常数 |
| 收稿时间： | 2008-09-19 |
Molecular Interactions Between Imidazole-based Ionic Liquids and Gases Using Quartz Crystal Microbalance |
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| XU Xiu-Ming,LI Chang-Zhi,ZHAO Zong-Bao,WANG Jun-De,LI Hai-Yang.Molecular Interactions Between Imidazole-based Ionic Liquids and Gases Using Quartz Crystal Microbalance[J].Chemical Research In Chinese Universities,2009,30(7):1322-1325. |
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| Authors: | XU Xiu-Ming LI Chang-Zhi ZHAO Zong-Bao WANG Jun-De LI Hai-Yang |
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| Institution: | 1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | A convenient method to measure the solubility and thermodynamic properties for ionic liquids(ILs) towards gases under atmospheric pressure was developed based on the quartz crystal microbalance(QCM) technique. By using ILs as sensitive coating of QCM, Henry′s constants of typical volatile organic compounds(VOCs) on five imidazole-based ILs were measured. The molecular interactions between ILs and VOCs were discussed based on the values of Henry′s constants. Results indicated that the QCM technique could be an efficient approach for studing the solubility property and interaction properties of ILs. |
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| Keywords: | Ionic liquids Quartz crystal microbalance Henry′s constant Thermodynamic property |
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