Solid phase microextraction applied to the analysis of organophosphorus insecticides in fruits

被引：63

作者：

Fytianos, K. ^{[1
]}

Raikos, N.

Theodoridis, G.

Velinova, Z.

Tsoukali, H.

机构：

[1] Univ Thessaloniki, Dept Chem, Environm Pollut Control Lab, Thessaloniki 54124, Greece

[2] Univ Thessaloniki, Fac Med, Lab Legal Med & Toxicol, Thessaloniki 54124, Greece

[3] Univ Thessaloniki, Dept Chem, Analyt Chem Lab, Thessaloniki 54124, Greece

来源：

CHEMOSPHERE | 2006年 / 65卷 / 11期

关键词：

fruit analysis; organophosphorus; OP insecticides; SPME; gas chromatography;

D O I：

10.1016/j.chemosphere.2006.06.046

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Trace amounts of organophosphorus pesticides (OPs) were determined in various fruits by headspace solid phase microextraction (HS-SPME) and gas chromatography-nitrogen phosphorous detection (GC-NPD). Sampling from the headspace enhanced method selectivity, whereas at the same time improved fiber life time and method sensitivity. Diazinon, parathion, methyl parathion, malathion and fenithrothion were determined in various fruits: more than 150 samples of 21 types of fruits were studied. SPME-GC-NPD provided a useful and very efficient analytical tool: method linearity ranged from 1.2 to 700 ng/ml. Limits of detection (LODs) and quantitation (LOQs) ranged from 0.03 to 3 ng/ml and 0.12 to 10 ng/ml respectively, values well below the residue limits set by the EU. Less than 2% of the samples were found positive containing amounts higher than the EU limits. The effect of fruit peeling and washing was also investigated. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：2090 / 2095

页数：6

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