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

Figure 4

Effect of different separation voltage on the separation. Chromatogram identification: (a) 17 kV; (b) 20 kV; (c) 22 kV; (d) 25 kV. Separation conditions and peak identification were as in Figure 2.

(a)

(b)

(c)

(d)