Analysis of Priority Pollutants by Very High-Speed LC

Abstract
Recent advances in column and instrument technology have made possible the development of a new genertion of high-speed liquid chromatography (LC). Using short columns packed with microparticulate packings and chromatographs having minimal extra-column dispersion, performance levels of up to 450 plates/sec are attainable. In addition to offering reduced analysis times and higher efficiencies, this high-speed LC system also yields higher mass sensitivities and lower solvent consuption relative to coventional systems. In this study, the applicability of high-speed LC to the analysis of priority pollutants is investigated. Several classes of pollutants including polynuclear aromatic hydrocarbons, benzidines, phenols, polychlorinated biphenyls, and phthalate esters were analyzed in multi-media samples to demonstrate the utility of this approach.