Supercritical fluid extraction of flumetralin in tobacco |
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Authors: | F. M. Lanças S. R. Rissato M. S. Galhiane |
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Affiliation: | (1) Institute of Chemistry of São Carlos, University of São Paulo, P.O. Box 780 São Carlos, (SP), 13560-970, Brasil |
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Abstract: | Summary This work evaluates the level of Flumetralin residues in real tobacco samples. Conventional extraction methods were compared with SFE methods in both static and dynamic modes using CO2 and CO2 with modifier. Additionally, in the dynamic SFE mode, different collection approaches, such as collection at room temperature without solvent, collection at room temperature in the presence of solvent (hexane) and collection in an ice bath, without solvent, were studied. SFE showed itself to be a promising extraction technique for pesticide residues in tobacco samples. |
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Keywords: | Supercritical fluid extraction SFE vs. solvent extraction Flumetralin residues Tobacco |
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