Determination of Pyrethroids in Paris polyphylla Sample by High-Performance Liquid Chromatography Using Ultrasound-Assisted Magnetic Solid-Phase Extraction

Table 1

Analytical features of the proposed method.

Compounds	Regression equation	Linear range (ng mL^−1)	RSD(%) n=6	r	Limit of detection (ng mL^−1)
Fenpropathrin	Y=254.3X+2.78	1-100	4.36	0.9980	0.53
Fenvalerate	Y=176.6X+2.11	1-100	3.67	0.9991	0.26
Deltamethrin	Y=196.8X+3.78	1-100	5.32	0.9990	0.67
Bifenthrin	Y=189.5X+4.21	1-100	4.98	0.9962	0.47