Rapid and Sensitive Determination of Pesticides Paraquat and Diquat in Drinking and Environmental Waters
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Mixtures of paraquat and diquat are widely used to control crop and aquatic weeds; however, contamination of drinking water with these pesticides is considered a risk factor for liver, heart, lungs, and kidney illnesses. Various regulatory agencies have specified maximum admissible concentrations of paraquat and diquat in drinking water. Therefore, simple and effective sample preparation and sensitive analytical methods are necessary for determining paraquat and diquat in environmental waters.
Application Note 274: Sensitive On-Line SPE–HPLC Determination of Paraquat and Diquat in Drinking and Environmental Waters demonstrates the elimination of interferences in tap and pond water with baseline separation of paraquat and diquat on the Dionex Acclaim Trinity™ P1 column. Efficient and sensitive analyses are achieved with the UltiMate® 3000 HPLC system with on-line SPE configuration controlled by the Chromeleon® Chromatography Data System software.
