Liquid chromatographic trace enrichment
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Noroozian, E. ;Maris, F. A. ;Nielen, M. W. F. ;Frei, R. W. ;de Jong, G. J. ;Th.
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Article
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1987
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John Wiley and Sons
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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