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 2
The effect of type of extraction solvent on the peak areas of analytes. Extraction conditions: water sample volume, 5.0 mL; disperser solvent (acetone) volume, 1.0 mL; extraction solvent volumes, 45.0 μL CHCl3, 12.0 μL C6H5Cl, 13.0 μL CCl4, 25.6 μL CS2, and 15 μL 1-undecanol; concentration of analytes, 100 μg L−1.
