Determination of pesticide residues in red wines with microporous membrane liquid-liquid extraction and gas chromatography

被引:39
|
作者
Hyötyläinen, T [1 ]
Tuutijärvi, T [1 ]
Kuosmanen, K [1 ]
Riekkola, ML [1 ]
机构
[1] Univ Helsinki, Dept Chem, Analyt Chem Lab, FIN-00014 Helsinki, Finland
关键词
microporous membrane liquid-liquid extraction; pesticides; red wine;
D O I
10.1007/s00216-002-1242-x
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A sample pretreatment method based on microporous membrane liquid-liquid extraction (MMLLE) was developed for the subsequent gas chromatographic determination of pesticides in wine. MMLLE provided efficient and selective extraction with enrichment factors in the range 3-13. The gas chromatographic separation was carried out using on-column injection and flame ionization detection. The method was linear, repeatable and sensitive. The limits of quantification were better than 0.006 mg/L for all the analytes except for iprodione (0.37 mg/L). The method was applied to the determination of pesticides in several red wines of different origin.
引用
收藏
页码:732 / 736
页数:5
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