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Simultaneous extraction of norflurazon and oxadixyl residues from food crops with supercritical carbon dioxide |
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| Authors: | F M Lanças M A Barbirato M S Galhiane |
| Institution: | (1) Institute of Chemistry of São Carlos, University of São Paulo, 13560-970 São Carlos, SP, Brazil |
| Abstract: | Summary Norflurazon and Oxadixyl residues have been analysed by HRGC-ECD after extraction from field-treated sugar cane and grapes using classical solid-liquid extraction or supercritical fluid extraction. The extraction techniques were compared; the results indicate the advantages of SFE as an alternative method for analysis of pesticides in these samples. |
| Keywords: | Gas chromatography Supercritical fluid extraction Pesticide residues Norflurazon residues Oxadixyl residues Food crops |
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