Adsorptive Cathodic Stripping Voltammetric Determination of Cefoperazone in Bulk Powder, Pharmaceutical Dosage Forms, and Human Urine

Figure 1

Cyclic voltammograms of 0.03 μg/mL cefoperazone in universal Britton-Robinson buffers pH 6.0 (a), 5.1 (b), 4.0 (c), and 3.0 (d).