Sustainable Development of Corrosion Inhibitors from Electronic Scrap: Synthesis and Electrochemical Performance

Figure 15

Morphological aspects of the surface of API X70 steel after 100 hours of immersion in a 3.5% NaCl solution at room temperature: (a) without inhibitor; (b) with 0.001 M of inhibitor synthesized from permanent magnets.

(a)

(b)