PILOT SURVEY FOR ATRAZINE AND TOTAL CHLOROTRIAZINES IN ESTUARINE WATERS USING MAGNETIC PARTICLE BASED IMMUNOASSAY AND GAS-CHROMATOGRAPHY NITROGEN/PHOSPHORUS DETECTION

被引：44

作者：

GASCON, J ^{[1
]}

DURAND, G ^{[1
]}

BARCELO, D ^{[1
]}

机构：

[1] CSIC,CID,DEPT ENVIRONM CHEM,E-08034 BARCELONA,SPAIN

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 1995年 / 29卷 / 06期

关键词：

D O I：

10.1021/es00006a017

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The determination of atrazine in estuarine waters in the presence of the common cross-reactants deethylatrazine, deisopropylstrazine, and simazine has been investigated using direct rapid pesticide immunodetection (RaPID) magnetic particle-based solid-phase ELISA. Different parameters such as least detectable dose, 50% inhibition concentration, and percentage of cross-reactivity, determined by estimating the amount of compound required to displace 50% of the enzyme conjugate to the amount of atrazine, were calculated. Estuarine water samples containing various chlorotriazine herbicides from a pilot monitoring program (with levels varying from 0.008 to 0.326 mu g/L) were compared by using the RaPID assay and gas chromatography-nitrogen/phosphorus detection (GC-NPD). Both analytical methods showed good correlation for atrazine and total chlorotriazines for most of the estuarine water samples analyzed. Gas chromatography/mass spectrometry (GC/MS) was used for confirmation purposes, and false positives were detected.

引用

页码：1551 / 1556

页数：6

共 26 条

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