Automated Online Solid-Phase Extraction Coupled with Sequential Injection-HPLC-EC System for the Determination of Sulfonamides in Shrimp
Figure 2
HPLC chromatograms of SAs (10 μg mL−1) at different ratio of methanol and mobile phase (a) 100% methanol, (b) 90% methanol and 10% mobile phase, (c) 80% methanol and 20% mobile phase, (d) 70% methanol and 30% mobile phase, (e) 60% methanol and 40% mobile phase, and (f) 50% methanol and 50% mobile phase. HPLC pump flow rate was set at 1.0 mL min−1.
