Solid phase extraction (SPE) in two layers cartridge for simultaneous analysis of medium and highly polar pesticides in waters

被引：9

作者：

Gerard, M ^{[1
]}

Barthelemy, JP ^{[1
]}

Copin, A ^{[1
]}

机构：

[1] Univ Gembloux, Fac Sci Agron, Unite Chim Analyt & Phytopharm, B-5030 Gembloux, Belgium

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 2001年 / 80卷 / 04期

关键词：

HPLC-DAD; GC-NPD; pesticides; waters; solid phase extraction;

D O I：

10.1080/03067310108044364

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

HPLC-DAD and GC-NPD methods were developed to measure medium and highly polar pesticide concentrations in ground and surface waters. To analyse these pesticides in relation with the European Directives, a comparison of different "off-line" solid phase extraction sorbents was carried out. The use of a home-made (SPE) two layers poly(divinylbenzene-co-N-vinylpyrrolidone) - octadecyl-bonded silica (Oasis-C18) cartridge allows to analyse simultaneously medium and highly polar pesticides in natural waters, with quantification limits between 0.03 and 0.05 mug/l according to each pesticide. The recoveries on this sorbent vary between 90 and 105 % with R.S.D. below 7 % in MilliQ water and between 88 and 115 % with R.S.D. below 20 %, except for bentazone (26 %), in surface water.

引用

页码：281 / 294

页数：14

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