Preconcentration of triazine herbicides from water by an ion chromatography column and determination by gas chromatography mass spectrometry

被引：11

作者：

RodriguezPlasencia, FJ ^{[1
]}

NavarroVilloslada, F ^{[1
]}

PerezArribas, LV ^{[1
]}

LeonGonzalez, ME ^{[1
]}

PoloDiez, LM ^{[1
]}

机构：

[1] UNIV COMPLUTENSE MADRID,FAC CIENCIAS QUIM,DEPT QUIM ANALIT,E-28040 MADRID,SPAIN

来源：

JOURNAL OF CHROMATOGRAPHY A | 1997年 / 760卷 / 02期

关键词：

water analysis; environmental analysis; sample preparation; triazines; pesticides;

D O I：

10.1016/S0021-9673(96)00781-9

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The efficiency of ion chromatography columns packed with styrene-divinylbenzene copolymer containing quaternary ammonium groups to preconcentrate triazine herbicides and their degradation products below mu g/l levels has been established. Retention is studied for different types of water. Pure methanol was used in a one-step elution. Enrichment factors of at least 4000 are achieved. Determination was carried out by using gas-chromatography-single-ion monitoring mass spectrometry. Recoveries for run-off agricultural water were between 67-100%. and close to 100% for ground water. The maximum admissible concentration in drinking water (0.1 mu g/l) and the alert and alarm threshold values in surface water (1 and 3 mu g/l, respectively) dictated by the European Union can be measured.

引用

页码：314 / 318

页数：5

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