Preparation and Evaluation of Acetabularia-Modified Carbon Paste Electrode in Anodic Stripping Voltammetry of Copper and Lead Ions

Table 1

Tabular summary showing the average peak currents obtained for various scan rates and deposition potentials for Acetabularia-CPE.

Scan rate; (mV/s)	Average peak current (μA) of various scan rates (𝑛=3)
	Pb(II)	Cu(II)
50	19.80±0.61	17.86±0.88
75	* 21.52±1.21	17.10±0.59
100	18.83±0.74	* 19.54±0.45
Deposition potential; (mV)	Average peak current (μA) of various deposition potentials (𝑛=3)
−1100	13.25±0.45	—
−1000	13.70±0.26	—
−900	16.82±0.03	—
−800	* 17.24±0.19	7.24±0.83
−700	9.11±0.67	8.31±0.33
−600	4.47±0.53	9.52±0.61
−500	—	12.88±0.82
−400	—	19.54±0.81
−300	—	* 21.58±1.16
−200	—	10.99±0.50

∗Representing optimum signal.