Preconcentration and separation of haloacetic acids by ion chromatography

被引：49

作者：

Sarzanini, C ^{[1
]}

Bruzzoniti, MC ^{[1
]}

Mentasti, E ^{[1
]}

机构：

[1] Univ Turin, Dept Analyt Chem, I-10125 Turin, Italy

来源：

JOURNAL OF CHROMATOGRAPHY A | 1999年 / 850卷 / 1-2期

关键词：

water analysis; sample handling; haloacetic acids; organic acids;

D O I：

10.1016/S0021-9673(99)00199-5

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A comparative study was made of the chromatographic behaviour of five haloacetic acids (mono-, dibromoacetic and mono-, di-, trichloroacetic acids). The techniques investigated included reversed-phase ion interaction chromatography with UV detection, suppressed and non-suppressed anion-exchange chromatography. The systems are discussed studying the retention as a function of the mobile phase parameters and the stationary phases used (LiChrospher 100 RP-18, IonPac AS9, AS10 and AS11). A preconcentration step, performed on different substrates, namely LiChrolut-EN and activated vegetal carbon, has been optimized in order to reduce the method detection limits. Results obtained for drinking water samples are shown. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：197 / 211

页数：15

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