Square Wave Voltammetric Determination of 2-Thiouracil in Pharmaceuticals and Real Samples Using Glassy Carbon Electrode

Table 1

Variation of the voltammetric parameters as a function of the potential scan rate (𝜐) corresponding to the CVs shown in Figure 4.

υ(mVs^−1)	𝐸paA; (mV)	𝐸paB; (mV)	𝐸pc; (mV)	Δ𝐸A; (𝐸paA−𝐸pc); (mV)	Δ𝐸B; (𝐸paB−𝐸pc); (mV)	𝑖paA; /10^−4 (A)	𝑖paB; /10^−4 (A)	𝑖pc; /10^−4 (A)	𝑖pc𝑖paA	𝑖pc𝑖paB
50	32.6	125.6	−50.1	82.7	175.7	−1.001	−1.035	1.241	1.239	1.199
100	36.2	134.3	−59.5	95.7	193.8	−1.920	−2.076	2.383	1.241	1.147
150	37.6	137.9	−61.4	98.9	199.3	−2.691	−3.201	3.125	1.161	0.9762
200	38.5	140.3	−64.6	103	204.9	−3.456	−4.012	3.813	1.103	0.9503
250	42.8	145.1	−70.2	113	215.2	−4.251	−5.102	4.262	1.002	0.8353