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Sasaki K, Suzuki T, Saito Y: Simplified cleanup and gas chromatographic determination of organophosphorus pesticides in crops. J Assoc Off Anal Chem. 1987 May-Jun;70(3):460-4.
The organic layer was evaporated and injected into a gas chromatograph equipped with a flame photometric detector (FPD) and fused silica capillary columns (0.53 mm id) coated with silicone equivalent to OV-1701, OV-1, and SE-52.
IBP, edifenphos, phosmet, and pyridaphenthion were not recovered from onion because of adsorption to the silica cartridge. |
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