% H
2
SO
4
R
p
(Kohms)
R
s
(Kohms)
C
dl
(µF)
Z
(Kohms)
L
(nm)
2
12.22
1.72
1. 3
. 623
31.3
9.36
31.95
1 7
.75
2.5
4
.6
.52
5.61
178
4.2
6
1.53
. 57
8. 8
124
2.9
8
1
2.58
.45
. 53
. 65
8.4
29.61
119
33.8
2.8
.8
Table 1:
The Electrochemical Parameters and the Oxide Film thickness of Al-Mg alloy in the as Received Condition in Different H
2
SO
4
Concentrations.
