Research Article

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

Table 1

Variable ranges used in the optimization process of voltammetric measurements of 0.03 μg/mL cefoperazone.

VariableDP-AdCSVSW-AdCSV

Accumulation time100→120 s
Pulse amplitude0.05→0.1 V
Pulse time0.02→0.04 s
Frequency60→80 Hz
Voltage step0.01→0.02 V0.005→0.007 V
Voltage step time0.05→0.06 s