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题名: A multifunctional dual membrane electrodialytic eluent generator for capillary ion chromatography
作者: Yang, Bingcheng1;  Zhang, Feifang1, 3;  Liang, Xinmiao1, 3;  Dasgupta, Purnendu K.2
通讯作者: 梁鑫淼
关键词: Electrodialytic eluent generator ;  Capillary ion chromatography ;  Dual ion exchanger
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2009-03-20
DOI: 10.1016/j.chroma.2009.01.025
卷: 1216, 期:12, 页:2412-2416
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1803
产权排名: 3;2
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: A multifunctional electrodialytic generator (EDG) for capillary ion chromatography (CIC) is described. The same device can generate acidic, basic or saline eluents. Two oppositely charged ion exchange beads are used to fabricate the EDG; the dual ion exchanger configuration ensures the production of gas-free eluent, obviating the need of a gas removal device used with single ion exchanger EDG's. The ability of the same EDG to produce different eluents is governed solely by the choice of the respective feed solutions; this is presently demonstrated by generation of diverse eluents such as Na(2)CO(3)/NaHCO(3). CH(3)SO(3)H, and KNO(3). The EDG is implemented simply in a commercial cross fitting and has been tested up pressures to 2000 psi. Under typical operating conditions, the zero current concentration (open circuit penetration, OCP) is negligible. The generated eluent concentration linearly increases with applied current with a slope that is essentially Faradaic. The device permits both isocratic and gradient operation with good reproducibility, as demonstrated by the analysis of anions using HCO(3)-/CO(3)(2-) EDG. (c) 2009 Elsevier B.V. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000264217800026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102595
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.E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R China
2.Univ Texas Arlington, Dept Chem & Biochem, Arlington, TX 76019 USA
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Yang, Bingcheng,Zhang, Feifang,Liang, Xinmiao,et al. A multifunctional dual membrane electrodialytic eluent generator for capillary ion chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2009,1216(12):2412-2416.
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