Journal
FOOD CHEMISTRY
Volume 196, Issue -, Pages 428-436Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.09.060
Keywords
Fabric phase sorptive extraction (FPSE); Milk; Sample preparation; Sorptive extraction; Sulfonamides
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Fabric phase sorptive extraction (FPSE) is a novel sample preparation technique which utilizes advanced material properties of sol-gel derived microextraction sorbents and the hydrophilic property of the cellulose fabric substrate, resulting in a highly sensitive and fast microextraction device, capable of extracting target analyte(s) from any complex aqueous sample matrices. Due to the low organic solvent consumption, FPSE meets all green analytical chemistry (GAC) criteria. This technique was applied, for the first time, for the determination of sulfonamides residues in milk using a highly polar sol-gel poly (ethylene glycol) (sol-gel PEG) coated FPSE media. The developed HPLC method was validated according to the European Union Decision 2002/657/EC. Decision limit (CC alpha) values were 116.5 mu g kg(-1) for sulfamethazine, 114.4 mu g kg(-1) for sulfisoxazole and 94.7 mu g kg(-1) for sulfadimethoxine, whereas the corresponding results for detection capability (CC beta) were 120.4 mu g kg(-1) for sulfamethazine, 118.5 mu g kg(-1) for sulfisoxazole and 104.1 mu g kg(-1) for sulfadimethoxine. (C) 2015 Elsevier Ltd. All rights reserved.
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