Electrochemical Analysis of Antichemotherapeutic Drug Zanosar in Pharmaceutical and Biological Samples by Differential Pulse Polarography

Table 2

Typical cyclic voltammetric data of zanosar (concentration: 1.0×10⁻⁵ M).

pH of the supporting electrolyte	−𝐸𝑝/V	𝑖𝑝/μA	𝛼na	𝐷×10^6/cm^2 s^−1	𝐾^𝑜𝑓, ℎ/cm s^−1
2.0	0.16	5.65	0.85	3.18	2.06×10^−14
4.0	0.29	5.88	0.89	3.06	2.19×10^−13
6.0	0.35	6.15	0.93	2.98	3.62×10^−14
8.0	0.48	6.40	0.82	2.86	3.64×10^−14
10.0	0.57	6.25	0.96	2.56	3.04×10^−13
12.0	0.72	6.35	0.84	2.32	3.14×10^−14