Abstract
Abstract The relative retention times of 138 pesticides and metabolites containing phosphorus and sulfur were determined on packings containing liquid phases OV–101, OV–17, OV–210, and OV–225, using a flame photometric detector. These packings have excellent thermal stability and are likely to find widespread use in pesticide residue analyses, especially for the identification of multicomponent residues in environmental samples or in samples of unknown or indefinite history. Relative retention times were determined isothermally and by temperature programming; the latter procedure was more reproducible and also more useful for analyzing mixtures with widely differing retention times.
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