Determination of dichloroacetic acid and trichloroacetic acid by liquid-liquid extraction and ion chromatography

被引：0

作者：

Ya-Wen Ko

T. J. Gremm

G. Abbt-Braun

F. H. Frimmel

Pen-Chi Chiang

机构：

[1] Department of Environmental Engineering,

[2] Da-Yeh University,undefined

[3] Changhua 515,undefined

[4] Taiwan,undefined

[5] Engler-Bunte-Institute,undefined

[6] Division of Water Chemistry,undefined

[7] University of Karlsruhe,undefined

[8] D-76131 Karlsruhe,undefined

[9] Germany,undefined

[10] Graduate Institute of Environmental Engineering,undefined

[11] National Taiwan University,undefined

[12] Taipei 106,undefined

[13] Taiwan,undefined

来源：

Fresenius' Journal of Analytical Chemistry | 2000年 / 366卷

关键词：

Methyl; Ether; Detection Limit; Performance Characteristic; Butyl;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

An extraction technique using MTBE (methyl tert. butyl ether) and reagent water in combination with ion chromatography and conductivity determination was developed to quantify dichloroacetic acid (DCAA) and trichloroacetic acid (TCAA) concentrations in raw water after chlorination. The detection limit of the method was 0.45 and 1.50 μg/L for DCAA and TCAA, respectively. Mean values of recovery ranged from 90 to 96% for DCAA and 95 to 108% for TCAA. The evaluation of recovery and precision of the method indicates that the performance characteristics are comparable with gas chromatographic (GC) methods reported in literature. In addition, the procedure is simple, fast, and does not need any derivatization step. Application of the analytical method to the determination of DCAA and TCAA in real samples is shown.

引用

页码：244 / 248

页数：4

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