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题名: C-12-alkyl bonded zirconia packing column for capillary electrochromatography
作者: Zhang, QH;  Zhang, LY;  Zhang, WB;  Li, T;  Zhang, YK
关键词: capillary electrochromatography ;  C-12-alkyl bonded zirconia ;  stationary phase
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
发表日期: 2004-10-01
卷: 32, 期:10, 页:1283-1286
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: C-12-alkyl bonded zirconia stationary phase was prepared for packing capillary electrochromatography (CEC). The influence of mobile phase on electroosmotic flow and the stability of the packing CEC column were systematically investigated. And the effects of organic modifier contents and pH on the retention of neutral and basic compounds were studied. The stability of the C-12-ZrO2 packing CEC column was satisfactory between pH 3 and 11.7. The strong interaction between the phosphate buffer and the zirconia surface can give the better stability than that of the traditional alkyl bonded silica stationary phase under low organic concentration. The CEC column can be applied in a wider pH range of mobile phase, in which the surface of the stationary phase having absorbed phosphate can provide enough electroosmotic flow. These advantages have greatly broadened the applications in CEC.
关键词[WOS]: LIQUID-CHROMATOGRAPHY
语种: 英语
WOS记录号: WOS:000225358100003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139590
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.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog Res & Anal Ctr, Dalian 116011, Peoples R China

Recommended Citation:
Zhang, QH,Zhang, LY,Zhang, WB,et al. C-12-alkyl bonded zirconia packing column for capillary electrochromatography[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2004,32(10):1283-1286.
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