Abstract.
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.
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Hyötyläinen, T., Tuutijärvi, T., Kuosmanen, K. et al. Determination of pesticide residues in red wines with microporous membrane liquid–liquid extraction and gas chromatography. Anal Bioanal Chem 372, 732–736 (2002). https://doi.org/10.1007/s00216-002-1242-x
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DOI: https://doi.org/10.1007/s00216-002-1242-x