Nakatani Nobutake, Kozaki Daisuke, Mori Masanobu, Tanaka Kazuhiko
Department of Environmental and Symbiotic Science, College of Agriculture, Food and Environmental Sciences, Rakuno Gakuen University, Hokkaido, Japan.
Anal Sci. 2012;28(9):845-52. doi: 10.2116/analsci.28.845.
One of the ultimate goals of ion chromatography is to determine both anions and cations found in samples with a single chromatographic run. In the present article, recent progress in ion-exclusion/ion-exchange chromatography for the simultaneous determinations of inorganic anions and cations are reviewed. Firstly, the principle and the control for the simultaneous separation and detection of analyte ions using ion-exclusion/cation-exchange chromatography with a weakly acidic cation-exchange column are outlined. Then, advanced chromatographic techniques in terms of analytical time, selectively and sensitivity are summarized. As a related method, ion-exclusion/anion-exchange chromatography with an anion-exchange column could be used for the simultaneous determination of inorganic nitrogen species, such as ammonium, nitrite and nitrate ions. Their usefulness and applications to water-quality monitoring and related techniques are also described.
离子色谱的最终目标之一是通过一次色谱运行来测定样品中存在的阴离子和阳离子。在本文中，综述了离子排斥/离子交换色谱法在同时测定无机阴离子和阳离子方面的最新进展。首先，概述了使用弱酸性阳离子交换柱通过离子排斥/阳离子交换色谱法同时分离和检测分析物离子的原理及控制方法。然后，总结了在分析时间、选择性和灵敏度方面的先进色谱技术。作为一种相关方法，使用阴离子交换柱的离子排斥/阴离子交换色谱法可用于同时测定无机氮物种，如铵离子、亚硝酸根离子和硝酸根离子。还描述了它们在水质监测及相关技术中的实用性和应用。
