Abstract:Abstract:This work aimed to develop and validate a method for the determination of trifluralin, metribuzin, metolachlor, endosulfan, -cyhalothrin, permethrin and malathion in water using dispersive liquid-liquid microextraction (DLLME). The mixture n-hexane/toluene (60:40 v/v) showed high extraction capacity and was used in the method validation. The method was applied to different surface water samples and a matrix effect was not observed. The DLLME provided recovery of 47-115 % with a RSD up to 16%. The dete… Show more
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