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. 2020 Mar 13;10:4709. doi: 10.1038/s41598-020-61755-z

Figure 1.

Figure 1

The effect of the type of extraction solvent (a), the amount of extraction solvent (b), the type of dispersive solvent (c) and the volume of dispersive solvent (d) on the extraction recoveries of five pyrethroids. Sample volume, 5 mL; added concentrations of the five pyrethroids: 0.1 mg L−1. Error bars representing the standard error (n = 5).