Reversed-phase liquid chromatography of some pesticides and related compounds

摘要: The liquid chromatographic retentions of 17 pesticides have been studied on Vydac reversed-phase in water—methanol and water—ehtanol mixed solvents. logarithm the adjusted retention relative to methoxychlor correlated linearly with Beroza partition p-values recorded heptane—90% ethanol (correlation coefficients greater than 0.25). resulting relationship could value choice eluting solvent ratio prediction separation mixtures, defining polarity unknowns mixtures. Retention characteristics some polychlorinated biphenyl mixtures are gifen for illustration. Relative responses 254-nm ultraviolet detector were tabulated allow estimation limits detectability individual compounds.