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题名: Preparation of particle-fixed silica monoliths used in capillary electrochromatography
作者: Qu, Qishu;  Tang, Xiaoqing;  Wang, Chengyin;  Yang, Gongjun;  Hu, Xiaoya;  Lu, Xiao;  Liu, Yin;  Yan, Chao
关键词: continuous bed ;  electrochromatography ;  immobilization ;  silica particles
刊名: JOURNAL OF SEPARATION SCIENCE
发表日期: 2006-08-01
DOI: 10.1002/jssc.200600096
卷: 29, 期:13, 页:2098-2102
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: Fused-silica capillaries were packed with porous 1 pin bare silica microspheres and immobilized by potassium silicate-formamide in order to obtain columns with silica-based monolithic packing. After curing, the particle-fixed monolithic columns were octadecylated in situ with dimethyloctadecylchlorosilane. The columns were mechanically strong and permeable. No noticeable loss in efficiency was found after using a column continuously for 1 month. The performances of the particle-fixed silica monolithic columns were evaluated for CEC under RP conditions. High separation efficiency (about 125200 plates/m) was obtained by using these new types of columns.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  CHIRAL SEPARATIONS ;  COLUMNS ;  POLYMER ;  MEDIA ;  PACKING ;  PHASE ;  RODS
语种: 英语
WOS记录号: WOS:000240379300017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140087
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Yangzhou Univ, Coll Chem & Chem Engn, Jiangsu Key Lab Environm Mat & Environm Engn, Yangzhou 225002, Jiangsu, Peoples R China
2.Unimicro Technol Shanghai Co Ltd, Shanghai, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Beijing 100864, Peoples R China

Recommended Citation:
Qu, Qishu,Tang, Xiaoqing,Wang, Chengyin,et al. Preparation of particle-fixed silica monoliths used in capillary electrochromatography[J]. JOURNAL OF SEPARATION SCIENCE,2006,29(13):2098-2102.
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