Capillary GC Analyses of Triazine Pesticides in Dry Pet Food

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Courtesy of Sigma-Aldrich Co., LLC

Based on federal and state regulations for identifying and quantifying low levels of pesticides in food and environmental samples, we selected three capillary columns to screen for triazine pesticides. A nonpolar and two low/intermediate polar phases were chosen to evaluate differences in component elution order and retention times. Low level screening analyses were performed effectively by using split/splitless injection and a thermal specific detector (TSD).  Each column separated the triazines in less than 30 minutes. Example chromatograms are shown.

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