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  • Title: Liquid chromatographic determination of amprolium in chicken tissues, using post-column reaction and fluorometric detection.
    Author: Nagata T, Saeki M.
    Journal: J Assoc Off Anal Chem; 1986; 69(6):941-3. PubMed ID: 3804946.
    Abstract:
    A method is presented for determination of amprolium residues in chicken muscles by a liquid chromatographic post-column reaction system. The drug is extracted from muscles with methanol, and the extract is concentrated to 3-4 mL. This aqueous solution is rinsed with n-hexane and cleaned up by alumina column chromatography. The drug is separated from the interferences on a LiChrosorb RP-8 column, reacted with ferricyanide in alkaline solution, and quantitated by fluorometric detection at 367 nm (excitation) and 470 nm (emission). Recoveries of amprolium added to chicken muscles at levels of 0.1 and 0.2 ppm were 74.9 and 80.9%, respectively. The detection limit was 1 ng for amprolium standard and 0.01 ppm in chicken muscles.
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