Surface Modification of Zinc with an Oxime for Corrosion Protection in Chloride Medium

Table 3

Electrochemical parameters and inhibition efficiency in 1 M NaCl, for corrosion of surface-treated zinc at different temperatures.

Conc. of oxime (%)	−𝐸corr (mV)	𝑏𝑐 (mV/dec)	𝑏𝑎 (mV/dec)	𝑖corr (μA/cm^2)	IE (%)
At 35^°C
0	1027	117	56.6	335	—
1	1028	93.7	48.3	214	40
3	1031	85.7	34.6	161	51
5	1090	78.1	28.2	78	76
7	1110	39.3	21.6	44	84
At 45^°C
0	1030	95.7	76.6	334	—
1	1040	85.6	78.3	223	35
3	1070	79.7	64.6	148	56
5	1090	62.5	68.2	68	78
7	1110	43.3	51.9	38	86
At 55^°C
0	1030	104.7	76.6	334	—
1	1055	94.6	78.3	210	38
3	1070	78.8	64.6	134	60
5	1100	64.5	68.2	60	82
7	1150	44.5	51.9	35	89