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  • Title: Determination of difloxacin and sarafloxacin in chicken muscle using solid-phase extraction and capillary electrophoresis.
    Author: Barrón D, Jiménez-Lozano E, Bailac S, Barbosa J.
    Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2002 Feb 15; 767(2):313-9. PubMed ID: 11885860.
    Abstract:
    This paper describes a method for residue analysis of difloxacin and sarafloxacin in chicken muscle. Clean-up and preconcentration of the samples are effected by solid-phase extraction (C18) and the determination is carried out by capillary electrophoresis using a photodiode array detection system. The method was validated with satisfying results. The calibration graphs are linear for difloxacin and sarafloxacin from 50 to 300 microg/kg. The limit of detection obtained for difloxacin and sarafloxacin are 10 and 25 microg/kg, respectively, which allows the detection of positive muscle samples at the required maximum residue limits of European Union.
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