Multiclass Pesticide Residue Analysis in Fruit and Vegetable Samples by Combining Acetone-Based Salting-Out Assisted Extraction with Dispersive Liquid-Liquid Microextraction

Figure 5

Effect of the extraction solvent on the enrichment factors of pesticides from the tomato sample. Experimental conditions: (A) chlorobenzene, (B) tetrachloroethylene, and (C) chloroform; 5 mL UHP water; 1000 µL acetone extract; 50 µL extraction solvent; centrifugation rate and time, 4000 rpm and 600 s, respectively; .