Rapid and Simple Determination of Sarafloxacin and Difloxacin in Beef by Capillary Electrophoresis Coupled with Solid-Phase Extraction

Table 3

Analytical parameters of the current method.

Parameter	Sarafloxacin	Difloxacin
Calibration curves
Correlation coefficient (, )	0.9988	0.9967
Linearity range (μg/mL)	1–20	0.5–20
LOD (μg/mL) (, )	0.8 (1.60)	0.3 (3.40)
LOQ (μg/mL) (, )	1 (2.12)	0.5 (4.00)

Linearity test of the calibration curve. theoretical values at 99.9% confidence level: .
Interday differences test, theoretical values at 95% confidence level: .