Análisis de insecticidas organofosforados en agua por cromatografía de gases con dos columnas capilares de diferente polaridad. Comparación de dos métodos de extracción
- Gomez, C.
- Arufe, M.I.
- Romero, J.L.
- Gamero, J.
- Vizcaya, M.A.
ISSN: 0212-7113
Year of publication: 1996
Volume: 13
Issue: 1
Pages: 37-42
Type: Article
More publications in: Revista de toxicología
Sustainable development goals
Abstract
Gas chromatography with selective NPD and two fused-silica capillary columns of different polarity have been used for detection and confirmation in water of Trichlorfon, Phorate, Dimethoate, Parathion-methyl, Parathion and Chlorpyrifos. Likewise, liquid-liquid extraction and solid-phase extraction with octadecyl silica cartridges were compared for pesticide recovery, being the first which offered the highest yield. The whole analytical protocol allows to determine concentrations about 0.1-0.5 μg/L for recoverable pesticides, the maximum admissible concentration (MAC) of pesticides for drinking water in Spanish and EEC legislation.