Journal
ANALYTICAL METHODS
Volume 4, Issue 3, Pages 670-675Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ay05700j
Keywords
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Funding
- Natural Science Foundation of Hebei Province [B2008000583]
- sustentation Plan of Science and Technology of Hebei Province [10967126D]
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A rapid and effective accelerated solvent extraction (ASE)-capillary electrophoretic method was developed for the determination of fluoroquinolone and sulfonamide residues in aquatic products. Seven residues were extracted with acetonitrile at 80 degrees C under 10.3 MPa pressure in less than 25 min. The standard curves for the determination of seven residues by the capillary electrophoretic method have good linearity (r(2) > 0.999). The method limits of quantification (LOQs) were 70-100 mu g kg(-1). Their average recoveries with three spiked levels ranged from 83% to 106%. Intra- and inter-day precision (RSD) were 2.3-4.9% and 3.1-6.5%, respectively. The method provides a rapid and simple extraction procedure with high recoveries, and has been applied for the determination of 4 fluoroquinolone and 4 sulfonamide residues in aquatic products with satisfactory results.
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