Simultaneous quantitation of sixteen organochlorine pesticides in drinking waters using automated solid-phase extraction, high-volume injection, high-resolution gas chromatography

Wendy Quayle, Ivan Jepson, Ian Fowlis

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

A method is described for the simultaneous determination of sixteen organochlorine pesticides in drinking water using automated solid-phase extraction followed by high-volume (80 μl) injection capillary column gas chromatography using electron capture detection. The fully automated extraction method followed by high-volume injection permits rapid sample analysis compared to previously described procedures since no further pre-concentration of the analytes is necessary after they have been eluted from the octadecyl solid-phase extraction cartridge. The lowest detectable concentrations of the pesticides are between 1-5 ng l -1, relative recoveries range from 92-105% in tap water spiked at 100 ng l -1 and the relative standard deviations are in the range 5-12%.
Original languageEnglish
Pages (from-to)271-276
JournalJournal of Chromatography A
Volume773
Issue number1-2
DOIs
Publication statusPublished - 27 Jun 1997

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