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A hollow fiber liquid phase microextraction (HF-LPME) and gas chromatographic-electron capture detection (GC-ECD) method for the determination of six fungicides (chlorothalonil, hexaconazole, penconazole, procymidone, tetraconazole, and vinclozolin) in 3ml of water was described. The method used 3μl of toluene as extraction solvent, 20min extraction time with pH 4, stirring at 870rpm, and no salt...
The solid phase microextraction (SPME) associated with microwave assisted extraction (MAE) for organochlorine pesticides (OCPs) in medicinal plants were studied. The influence of SPME extraction time, desorption time and temperature, and gas chromatography (GC) inlet conditions for the SPME fiber coated with poly(dimethylsiloxane) (PDMS) were investigated. Extraction time of 90min, desorption time...
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