| 电堆积大体积进样-在线扫集-胶束毛细管电动色谱法测定胡黄连中的4种有机酸 |
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| 引用本文： | 李利军,胡大春,郝学超,高文燕,吴启涛,赖映标,李彦青. 电堆积大体积进样-在线扫集-胶束毛细管电动色谱法测定胡黄连中的4种有机酸[J]. 分析化学, 2011, 39(2): 208-212. DOI: 10.3724/SP.J.1096.2011.00208 |
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| 作者姓名： | 李利军 胡大春 郝学超 高文燕 吴启涛 赖映标 李彦青 |
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| 作者单位： | 1. 广西工学院生物与化学工程系,柳州,545006
2. 广西大学化学化工学院,南宁,530004 |
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| 基金项目： | 广西自然科学基金(No.0832062)资助项目 |
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| 摘 要： | 建立了以电堆积大体积进样-在线扫集-胶束毛细管电动色谱法测定胡黄连中的异阿魏酸、肉桂酸、阿魏酸和香草酸的新方法.考察了pH值、四硼酸钠浓度、SDS浓度、电压、有机溶剂和进样时间对分离效果的影响.以40mmol/L四硼酸钠-80mmol/L十二烷基磺酸钠(SDS)为缓冲液(含10%(V/V)甲醇,pH 9.4),在进样电...
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| 关 键 词： | 胶束电动毛细管色谱 电堆积 大体积进样 扫集法 异阿魏酸 肉桂酸 阿魏酸 香草酸 |
Separation and Determination of Four Organic Acids in Picrorhiza Scrophulariiflora Pennell by Electrostacking-Large Volume Sample Stacking-Sweeping-Micellar Electrokinetic Chromatography |
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| LI Li-Jun,HU Da-Chun,HAO Xue-Chao,GAO Wen-Yan,WU Qi-Tao,LAI Ying-Biao,LI Yan-Qing. Separation and Determination of Four Organic Acids in Picrorhiza Scrophulariiflora Pennell by Electrostacking-Large Volume Sample Stacking-Sweeping-Micellar Electrokinetic Chromatography[J]. Chinese Journal of Analytical Chemistry, 2011, 39(2): 208-212. DOI: 10.3724/SP.J.1096.2011.00208 |
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| Authors: | LI Li-Jun HU Da-Chun HAO Xue-Chao GAO Wen-Yan WU Qi-Tao LAI Ying-Biao LI Yan-Qing |
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| Affiliation: | LI Li-Jun*1,HU Da-Chun1,HAO Xue-Chao1,GAO Wen-Yan2,WU Qi-Tao1,LAI Ying-Biao1,LI Yan-Qing1 1(Department of Biological and Chemical Engineering,Guangxi Universit)of Technology,Liuzhou 545006) 2(College of Chemistry and Chemical Engineering,Guangxi University,Nanning 530004) |
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| Abstract: | A novel method for simultaneous determination of four organic acids,isoferulic acid,cinnamic acid,ferulic acid and vanillic acid,in picrorhiza scrophulariiflora pennell by electrostacking-large volume sample stacking-sweeping micellar electrokinetic chromatography has been proposed.The determination conditions containing pH in background solution,concentration of Na2B4O7,sodium dodecyl sulfate(SDS) and methanol,injection time,injection voltage,separation voltage were optimized.The operating buffer was compo... |
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| Keywords: | Micellar electrokinetic chromatography Electrostacking Large volume sample stacking Sweeping Isoferulic acid Cinnamic acid Ferulic acid Vanillic acid |
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