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学科主题: 物理化学
题名: A cation exchange resin bead-based microscale electrolytic suppressor for capillary ion chromatography
作者: Zhang, Feifang1;  Li, Yapu1;  Yang, Bingcheng1;  Liang, Xinmiao1, 2
通讯作者: 杨丙成
关键词: Capillary ion chromatography ;  Microscale suppressor ;  Electrolytic ;  Cation exchange resin bead
刊名: TALANTA
发表日期: 2011-02-15
DOI: 10.1016/j.talanta.2010.11.043
卷: 83, 期:5, 页:1496-1500
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1803
产权排名: 2,4
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
摘要: A cation exchange resin bead-based microscale electrolytic suppressor for capillary ion chromatography
研究领域[WOS]: Chemistry
英文摘要: A cation exchange resin (CER) bead-based microscale electrolytic suppressor for capillary ion chromatography (CIC) has been fabricated and evaluated. Relative to common ion exchange membrane, the use of CER beads presents a simple way to fabricate a microscale suppressor due to its small surface area and spherical shape. The internal volume of the device is similar to 600 nL, which matches the requirements by CIC. Continuous online regeneration is readily achieved using pure water or diluted sulfuric acid as the regenerant. The use of a cation exchange functionalized monolithic segment inserted between two CER beads greatly reduces the electrical resistance and improves the suppression efficiency. The device works well only in the electrolytic mode, chemical regeneration alone is ineffective. The suppressed background is similar to 3 mu S/cm for 10 mM KOH eluent generated online by a microscale KOH electrolytic generator operated at the flow rate of 3 mu L/min. The preliminary application for capillary ion chromatography has been demonstrated. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: ELECTRODIALYTIC ELUENT GENERATOR
语种: 英语
WOS记录号: WOS:000287110100029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115353
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Feifang,Li, Yapu,Yang, Bingcheng,et al. A cation exchange resin bead-based microscale electrolytic suppressor for capillary ion chromatography[J]. TALANTA,2011,83(5):1496-1500.
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