Distillation preconcentration and clean-up of aqueous samples for direct aqueous injection-gas chromatographic determination of volatile polar organic pollutants

Liquid chromatographic trace enrichment

Liquid chromatographic trace enrichment with on-line capillary gas chromatography for the determination of organic pollutants in aqueous samples

✍ Noroozian, E. ;Maris, F. A. ;Nielen, M. W. F. ;Frei, R. W. ;de Jong, G. J. ;Th. 📂 Article 📅 1987 🏛 John Wiley and Sons 🌐 English ⚖ 760 KB

Trace enrichment for the GC analysis of a series of chlorinated pesticides and polychlorinated biphenyls (PCBs) in aqueous samples has been achieved through a simple on-line technique involving sorption on an LC micro-precolumn followed by direct elution into a gas chromatograph with hexane. A 5-m r