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

Table 3

Typical differential pulse polarographic data of zanosar (concentration: 1.0×10⁻⁵ M).

pH of the supporting electrolyte	−𝐸𝑚/V	𝑖𝑚/μA	𝛼na	𝐷×10^6/cm^2 s^−1	𝐾^𝑜𝑓, ℎ/cm s^−1
2.0	0.17	4.98	0.96	2.41	4.60×10^−14
4.0	0.29	4.84	0.95	2.28	4.21×10^−13
6.0	0.36	4.62	0.93	2.11	3.80×10^−13
8.0	0.49	4.52	0.88	1.99	4.04×10^−13
10.0	0.53	4.49	0.87	1.89	3.97×10^−13
12.0	0.69	4.35	0.84	1.74	4.18×10^−14