| 吡啶离子液体阳离子的离子色谱法分析 |
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| 引用本文： | 陈倩, 于泓, 孟令敏, 黄旭.吡啶离子液体阳离子的离子色谱法分析[J].分析测试学报,2011,30(1):38-42. |
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| 作者姓名： | 陈倩 于泓 孟令敏 黄旭 |
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| 作者单位： | 哈尔滨师范大学化学化工学院; |
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| 基金项目： | 黑龙江省自然科学基金资助项目(B200909); 黑龙江省教育厅科学技术研究项目(11541088) |
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| 摘 要： | 建立了离子色谱-直接电导检测法分离测定3种吡啶离子液体阳离子(N-乙基吡啶、N-丁基吡啶和N-己基吡啶阳离子)的方法.采用磺酸型阳离子交换色谱柱,以乙二胺-柠檬酸-乙腈为淋洗液,考察了淋洗液种类和浓度以及色谱柱温度对离子液体阳离子保留的影响.实验发现,吡啶阳离子的保留过程是放热过程,其同系物的保留符合碳数规律.优化的色...
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| 关 键 词： | 离子液体 离子色谱 电导检测 烷基吡啶 |
Analysis of Pyridinium Ionic Liquid Cations by Ion Chromatography with Direct Conductivity Detection |
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| CHEN Qian,YU Hong,MENG Ling min,HUANG Xu.Analysis of Pyridinium Ionic Liquid Cations by Ion Chromatography with Direct Conductivity Detection[J].Journal of Instrumental Analysis,2011,30(1):38-42. |
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| Authors: | CHEN Qian YU Hong MENG Ling min HUANG Xu |
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| Institution: | CHEN Qian,YU Hong,MENG Ling-min,HUANG Xu(College of Chemistry and Chemical Engineering,Harbin Normal University,Harbin 150025,China) |
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| Abstract: | A method of ion chromatography and direct conductivity detection was established to determine three pyridinium ionic liquid cations,e.g.1-ethyl pyridinium cation(EPy+),1-butyl pyridinium cation(BPy+) and 1-hexyl pyridinium cation(HPy+).The effects of eluent types,eluent concentration and column temperature on retention of the cations were investigated with sulfonic acid base cation-exchange column using ethylenediamine-citrate acid-acetonitrile as eluent.The result indicated that,with the increase of column... |
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| Keywords: | ionic liquids ion chromatography conductivity detection alky-pyridinium |
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