Fenarimol and lenacil in agricultural products were determined using the method previously reported by the authors [Shokuhin Eiseigaku Zasshi 36(5), 613-621 (1995)]. Ten grams of grain or 20 g of vegetable or fruit was homogenized with acetone followed by extraction with ethyl acetate, and the extract was evaporated. In the case of grains, fat or oil was removed from the extract by n-hexane-acetonitrile partitioning. Then the extract was purified by Florisil column chromatography and

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... d to 5 ml. The concentrations of pesticides were determined by FTD-GC. The recoveries of fenarimol and lenacil spiked in ten kinds of agricultural products at the level of 0. 1 ppm (vegetables and fruits) or 0. 2 ppm (grains) were 72. 892. 2%. The detection limit was 0. 01 ppm for each pesticide. (