共查询到17条相似文献,搜索用时 156 毫秒
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室温离子液体在色谱分析中的应用 总被引:5,自引:0,他引:5
作为新型溶剂,室温离子液体在分析中不同领域的应用研究如火如荼。本文将对室温离子液体在气相色谱、液相色谱、毛细管电泳等色谱分析中的应用研究进行综述。 相似文献
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室温离子液体由于它具有十分特殊的性质,得到了各个领域广泛的应用,近几年在气相色谱中应用室温离子液体作固定相的研究成为气相色谱的热点,这主要是由于新开发出来的离子液体可以很好地满足气相色谱固定相的要求。对近几年室温离子液体在气相色谱中的应用做一简要综述。 相似文献
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离子液体因其良好的性能被作为溶剂广泛应用于各个领域,同时也愈加受到人们的关注。也因此人们逐渐探索出离子液体在色谱分析领域应用效果良好。针对这一现象,从离子液体的组成、性质、合成方法及离子液体在气相色谱、高效液相色谱、毛细管电泳方面的应用进行阐述,以期对离子液体的实际应用提供一些帮助。 相似文献
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具有生理活性的天然产物,资源丰富,其分离日益受到人们的广泛关注。高选择性、安全、易回收的聚离子液体为天然产物的分离提供了新途径。本文对聚离子液体在天然产物分离的应用进行了综述。并对其应用进行了展望。 相似文献
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离子液体及其在有机反应中的应用 总被引:1,自引:0,他引:1
简要介绍了离子液体的分类、组成、特性及其合成方法。综述了离子液体作为反应介质在各类有机反应中的应用。并对离子液体的工业化应用前景进行展望。 相似文献
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Ye Wang Minglei Tian Wentao Bi Kyung Ho Row 《International journal of molecular sciences》2009,10(6):2591-2610
Ionic liquids, considered “green” chemicals, are widely used in many areas of analytical chemistry due to their unique properties. Recently, ionic liquids have been used as a kind of novel additive in separation and combined with silica to synthesize new stationary phase as separation media. This review will focus on the properties and mechanisms of ionic liquids and their potential applications as mobile phase modifier and surface-bonded stationary phase in reversed-phase high performance liquid chromatography (RP-HPLC). Ionic liquids demonstrate advantages and potential in chromatographic field. 相似文献
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离子液体在烷基化反应中的应用 总被引:3,自引:0,他引:3
离子液体作为一种环境友好的催化剂和溶剂,受到了人们日益的关注。本文介绍了离子液体独特的性质,重点对离子液体在催化烯烃烷基化制高辛烷值烷基化汽油、苯与烯烃的烷基化制烷基苯,苯与卤代烷烃的烷基化以及萘、酚的烷基化反应中的应用进行综述。在这些反应中,离子液体不仅表现出良好的催化活性和选择性,同时具有产品易分离,催化剂可以循环使用,环境污染小和设备腐蚀不严重等优点。 相似文献
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《分离科学与技术》2012,47(2):264-276
A group of nearly forty-eight (48) of surfactants based on ionic liquids (ILs) has been described. The physicochemical and interfacial behavior for several of these IL-based surfactants has been reported since 2004. This review attempts to summarize the important applications that IL-based surfactants have had in analytical chemistry and separation science. Thus, they have been successfully used as extractant systems as substitutes to conventional organic solvents in extraction schemes, or by modifying the chemical structure of conventional extractant sorbents. The analytical performance of these novel IL-based surfactants has been shown to be better than conventional solvents and even better than conventional cationic surfactants. IL-based surfactants have also been used as mobile phase and stationary phase modifiers in high-performance liquid chromatography (HPLC), as modifiers of the electrokinetic chromatographic (EKC) medium, or as the micellar component in capillary electrophoresis (CE). Thus, IL-based surfactant methods constitute a promising and developing area within separation science. 相似文献