Abstract
Abstract A method is presented for determining residues of organophosphorus pesticides and alteration products in nonfatty foods. This method employs the acetonitrile extraction procedure as used by FDA for the chlorinated hydrocarbon pesticides. Cleanup is performed with a short charcoal column. GLC, using the potassium chloride thermionic detector or flame photometric detector, is used for determination. Forty-one organophosphorus pesticides and/or alteration products are evaluated.
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