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A rapid method for detection of flumequine (FQ) and oxolinic acid (OA) residues from fish tissues was established using pressurized capillary electrochromatography (pCEC). Residual FQ and OA were extracted from fish tissue samples with acidified acetonitrile and purified on an Oasis HLB C18 solid-phase extraction column. The extract was then analyzed by pCEC with the mobile phase (pH = 3) consisting...
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