Research Article

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 5

The effect of disperser solvent (acetone) volume on the peak areas of analytes. Extraction conditions: water sample volume, 5.0 mL; disperser solvent (acetone) volumes, 0.50, 1.0, 1.5, and 2.0 mL; extraction solvent (1-undecanol) volumes, 9.0, 15.0, 25.0, and 30.0 μL; concentration of analytes, 100 μg L−1.
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