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Vacuum-evaporation interface of comprehensive two-dimensional liquid chromatography and its application
Tian Hong-Zhe1,2; Xu Jing2; Guan Ya-Feng2; Guan YF(关亚风); Guan YF(关亚风)
关键词Comperhensive Two-dimensional Liquid Chromatography Normal Phase Liquid Chromatography-reversed Phae Liquid Chromatography (Nplc-aplc) Vacuum-evaporation Interface Cnidium Monnieri(L.) Cuss
刊名CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
2008-06-01
36期:6页:860-864
收录类别SCI
文章类型Article
部门归属1
项目归属105
产权排名2;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]SEPARATIONS
英文摘要A comprehensive two-dimensional liquid chromatographic system (NPLC-RPLC) was developed using a vacuum-evaporation interface (VEI). A normal-phase liquid chromatography (NPLC) with a CN microcolumn was used as the first dimension (1(st)-D), and a reversed-phase liquid chromatography (RPLC) with a C-18 monolithic column was used as the second dimension (2(nd)-D). A two-position, ten-port valve with two identical storage loops was used as the interface that enabled alternate sampling of the first column eluent onto the second column untill the analysis was finished. In one of the two positions, the eluent from the first column filled one of the loops and was evaporated at 25 degrees C under vacuum conditions, leaving the analytes stick on to the inner wall of the loop. When the valve was switched to the second position, the effluent from the first column flowed through the other loop, while mobile phase of the 2(nd)-D dissolved the analytes in the loop from the previous cycle and injected them onto the second column, allowing on-line solvent exchange of the fractions from the 1(st)-D to the 2(nd)-D. The utility of the comprehensive 2DLC system was demonstrated in the analysis of standard samples and traditional Chinese medicine Cnidium monnieri (L.) Cuss extract.
语种英语
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WOS记录号WOS:000257877300030
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/100317
专题中国科学院大连化学物理研究所
通讯作者Guan YF(关亚风); Guan YF(关亚风)
作者单位1.Shenyang Agr Univ, Analyt Ctr, Shenyang 110161, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Instrumentat & Analyt Chem, Dalian 116023, Peoples R China
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GB/T 7714
Tian Hong-Zhe,Xu Jing,Guan Ya-Feng,et al. Vacuum-evaporation interface of comprehensive two-dimensional liquid chromatography and its application[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2008,36(6):860-864.
APA Tian Hong-Zhe,Xu Jing,Guan Ya-Feng,关亚风,&关亚风.(2008).Vacuum-evaporation interface of comprehensive two-dimensional liquid chromatography and its application.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,36(6),860-864.
MLA Tian Hong-Zhe,et al."Vacuum-evaporation interface of comprehensive two-dimensional liquid chromatography and its application".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 36.6(2008):860-864.
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