Research Article

A Novel Electrochemical Method for Protionamide Determination Based on Its Interaction with Alizarin Red S

Figure 2

Cyclic voltammograms of ARS and ARS-PTH. Condition: 1. 3.0 mL pH 5.0 PBS; 2. 1 + 1.0 × 10− 5 mol/L ARS; 3. 2 + 30 mg/L PTH.