| 低压离子色谱分离化学发光在线检测NO2-S2- |
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| 引用本文： | 游水英,周光明,沈祥.低压离子色谱分离化学发光在线检测NO2-S2-[J].环境科学与技术,2006,29(11):46-47. |
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| 作者姓名： | 游水英 周光明 沈祥 |
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| 作者单位： | 西南大学化学化工学院,重庆,400715 |
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| 摘 要： | 研究了低压离子色谱分离-柱后鲁米诺化学发光检测方法,并分离测定了NO2-和S2-,以碳酸钠作为洗脱液,Luminol-H2O2-NO2-(或S2-)作为化学发光检测体系,对NO2-和S2-两种阴离子进行在线检测.测定的线性范围分别为NO2-:5.0×10-8～10-6g/mL;S2-:1.0×10-8～6.0×10-7g/mL.检测限NO2-为:3.0×10-9g/mL,S2-为:1.4×10-9g/mL.该方法用于水样中NO2-和S2-含量的测定,结果满意.
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| 关 键 词： | 低压离子色谱 化学发光 在线检测 NO2-和S2- |
| 文章编号： | 1003-6504(2006)11-0046-03 |
| 修稿时间： | 2005年12月14 |
Online Determination of NO2- and S2- by Low-pressure Ion Chromatography Separation Coupled with Chemiluminescence Detection |
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| YOU Shui-ying,ZHOU Guang-ming,SHEN Xiang.Online Determination of NO2- and S2- by Low-pressure Ion Chromatography Separation Coupled with Chemiluminescence Detection[J].Environmental Science and Technology,2006,29(11):46-47. |
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| Authors: | YOU Shui-ying ZHOU Guang-ming SHEN Xiang |
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| Abstract: | The determination of NO2-and S2-related to the separation conducted on an anion separation column by mobile phases of Na2CO3 and the Luminol-H2O2-NO2-(S2-)system used for flow injection chemiluminescence analysis.The paper concluded that linear range and detection limit obtained under the optimum condition were satisfactory and the method could be applied to on-line determination of nitrite and sulfide in water. |
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| Keywords: | low-pressure ion chromatography chemiluminescence on-line determination nitrite and sulphide |
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