Dispersive Liquid-Liquid Microextraction Based on Solidification of Floating Organic Drop Followed by Gas Chromatography-Electron Capture Detector for Determination of Some Pesticides in Water Samples
Figure 7
DLLME-SFO-GC-ECD chromatograms of the river sample under optimum conditions (a) before and (b) after spiking with 0.5 μg L−1 of analytes.