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

• Published in: Journal of Chromatography A Vol. 773; no. 1-2; pp. 271 - 276
• Main Authors: Quayle, Wendy C, Jepson, Ivan, Fowlis, Ian A
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 27-06-1997; Elsevier
• Subjects: Analysis methods; Analytical chemistry; Applied sciences; Autoanalysis; Chemistry; Chromatographic methods and physical methods associated with chromatography; Chromatography, Gas - methods; Exact sciences and technology; Gas chromatographic methods; Hydrocarbons, Chlorinated; Insecticides - analysis; Microchemistry; Natural water pollution; Organochlorine compounds; Pesticides; Pollution; Reproducibility of Results; Water - analysis; Water Pollutants - analysis; Water treatment and pollution; Drinking water; Organochlorine compounds; Pesticides; Electron capture detector; Solid phase extraction; Automation; Chemical analysis; Tap water; Gas chromatography; Multicomponent analysis; Simultaneous measurement; Water pollution; Quantitative analysis
• ISSN: 0021-9673
• DOI: 10.1016/S0021-9673(97)00190-8

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%.