Determination of bromate and bromoacetic acids in water by ion chromatography-inductively coupled plasma mass spectrometry

被引：27

作者：

Guo, ZX ^{[1
]}

Cai, QT ^{[1
]}

Yu, CH ^{[1
]}

Yang, ZG ^{[1
]}

机构：

[1] Nanyang Technol Univ, Innovat Ctr, Ctr Adv Water Technol, Singapore 637723, Singapore

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 2003年 / 18卷 / 11期

关键词：

D O I：

10.1039/b308751d

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学]; 081704 [应用化学];

摘要：

A new method for the simultaneous determination of bromate and six bromoacetic acids in water was developed by online coupling anion-exchange chromatography separation to element-specific inductively coupled plasma mass spectrometry (ICP-MS) detection. Factors affecting the chromatographic and ICP-MS performances were systematically investigated. The separation was achieved on a Dionex IonPac(R) AS11-HC column (4.0x250 mm) by elution with 100 mM ammonium nitrate. The detection limits (3sigma) of the analytes were 0.13-0.36 mug L(-1) based on a 500-muL sample injection. The possible masking of bromochloroacetic acid by the relatively high level of bromide in the chromatogram was avoided by sample pretreatment with Dionex OnGuard(R) Ag and H cartridges. The sample matrix did not show significant influence on the analysis. The method has been applied to analysis of various waters with good precisions and spiked recoveries of 80.8-113.8%.

引用

页码：1396 / 1399

页数：4

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