Research Article
Corrosion Inhibiting Mechanism of Nitrite Ion on the Passivation of Carbon Steel and Ductile Cast Iron for Nuclear Power Plants
Figure 14
Deconvolution of the chemical species determined by XPS on the surface of (a, a′, c) carbon steel passivated in 1,000 ppm NaNO2 and (b, b′, c′) ductile cast iron passivated in 100,000 ppm NaNO2; (a) and (a′) Fe 2p, (b) and (b′) Fe 2p, and (c) and (c′) N 1s.