Research Article
Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants
Figure 13
Depth profile by XPS on passive film of ductile cast iron passivated for 24 hours in simulated cooling water (100,000 ppm NaNO2) at 25°C; (a) depth profile, (b) detail scan, (c) detail scan, and (d) detail scan.
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