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Determination of Roxarsone in feeds using solid phase extraction and liquid chromatography with ultraviolet detection
1ConAgra Frozen Foods, Batesville, AR 72501.
Journal of AOAC International
|September 1, 1993
Abstract:
A method is presented for detection and quantitation of Roxarsone in poultry feed by liquid chromatography. The drug is extracted by phosphate buffer and determined by solid phase extraction and reversed-phase liquid chromatography. Recoveries of the sample spikes and fortified field samples agree closely with those obtained by the standard spectrophotometric method.