Interaction of Two Water Soluble Heterocyclic Hydrazones on Copper in Nitric Acid: Electrochemical, Surface Morphological, and Quantum Chemical Investigations

Table 3

Electrokinetic parameters of copper in the presence and absence of heterocyclic hydrazones in 0.1 M HNO₃.

	Blank	0.2 mM	0.4 mM	0.6 mM	0.8 mM	1.0 mM
3APTSC
	151	132	150	173	145	149
	9.5	5.63	3.6	3.33	2.30	2.28
	71	70	126	119	87	95
	64	88	104	96	80	70
%	—	40.69	62.11	64.91	75.74	76.02
3APPH
	151	142	98	117	99	117
	9.5	1.51	1.32	1.1	0.99	0.71
	71	146	123	128	84	87
	64	109	121	107	98	105
%	—	84.10	86.10	88.42	89.57	92.52

in mV/SCE; in μA/cm²; in mV/dec; in mv/dec.