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

Table 2

Analytical performance characteristics of the proposed method.

Analyte	Calibration curve	Tomato	R^2	LOD (µg/kg)	LOQ (µg/kg)	MRL (µg/kg)
		LR (µg/kg)
Carbofuran	Y = 0.1227x + 0.9182	12.9–1400	0.9981	4.5	12.9	20
Atrazine	Y = 0.6128x + 2.8833	5.7–700	0.9979	2.1	5.7	250
Benalaxyl	Y = 0.7221x − 1.7875	6.7–700	0.9964	2.5	6.7	200
Chlorpyrifos	Y = 0.2682x + 1.4994	12.4–700	0.9985	4.3	12.4	1000
4,4′-DDT	Y = 0.5503x − 0.2787	9.2–700	0.9978	3.4	9.2	NA^a
Bifenthrin	Y = 0.3755x + 1.57	6.5–700	0.9973	2.3	6.5	150

^aNot available.