Research Article

Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants

Figure 2

Open circuit potential with immersion time by nitrite addition in circulating (solid symbol) and stagnant (open symbol) simulated cooling water at 25°C; (a) carbon steel and (b) ductile cast iron.
(a)
(b)