Development of a New Suppressor for the Ion Chromatography of Inorganic Cations

被引:0
|
作者
Hiroto Masunaga
Yuji Higo
Mizuo Ishii
Noboru Maruyama
Shigeo Yamazaki
机构
[1] Nichiri Mfg. Co.,Department of Applied Science
[2] Ltd.,undefined
[3] Okayama University of Science,undefined
来源
Analytical Sciences | 2014年 / 30卷
关键词
Ion chromatography; cation analysis; anion removal; suppressor;
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中图分类号
学科分类号
摘要
This paper reports on a new suppressor that can be used in the ion chromatography (IC) of inorganic cations. The space in which the electrode is set on both sides of the device is separated into three cells using anion- and cation-exchange membranes. Each of the cells is packed with either an anion- or cation-exchange resin. Anions in the eluent and injected sample are removed by electrical regeneration, based on the electrokinetic phenomenon on both the surface of the ion-exchange resins and the membranes. The electrical conductivity of the suppressed eluent reaches a level similar to that of ultrapure water; therefore, a cation detection limit of sub-ppb order is achieved in IC using the device as a suppressor.
引用
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页码:477 / 482
页数:5
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