Abstract
A method to determine six pesticides applied in soy cultivation (imazethapyr, imazaquin, metsulfuron‐methyl, carboxin, chlorimuron‐ethyl, and tebuconazole) using matrix solid phase dispersion (MSPD) as the extraction technique followed by a clean‐up step, using a C8 co‐column, and subsequent chromatographic analysis by high performance liquid chromatography diode array detection (HPLC‐DAD) was developed. The validated method showed good recuperation for all pesticides (60–120%), except for metsulfuron‐methyl and tebuconazole at their lowest concentration levels, and the quantification limits of the method (0.04–0.08 µg g−1) were below the maximum residue limits imposed by the principal regulatory agencies. This article not subject to U.S. copyright law.
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