Response Surface Optimization of a Rapid Ultrasound-Assisted Extraction Method for Simultaneous Determination of Tetracycline Antibiotics in Manure

Table 4

Figures of merit for TCs using the proposed UAE.

TCs	Linear regression equation		LOD g/mL	LOQ g/mL	MQL mg/kg	Recovery%	RSD%
OTC		0.996650	0.03	0.10	1.75	92.42	2.94
TC		0.996960	0.03	0.10	1.95	87.85	3.88
CTC		0.996559	0.05	0.17	2.32	81.89	4.06
DC		0.993216	0.03	0.10	2.15	84.46	2.37

Recoveries and RSD were obtained at the concentration of 50 g/g.