20
Fundamentals of Corrosion
Reference
electrode
(Calomel)
Corrodent
Salt bridge
A
Potentiostat
Test specimen
Auxiliary
electrode (Pt)
V
FigurE 2.9
Anode polarization measurement apparatus.
Tafel
region
True
Y
D
Current, Log i
X
C
A
Measured
B
Potential
FigurE 2.10
Anodic and cathodic polarization curve.