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. 2016 Apr 7;6:24094. doi: 10.1038/srep24094

Figure 8. Schemes of the evolution mechanisms on the ZVI surface.

Figure 8

(a) slow FexOy dissolution (AS-ZVI, FL system); (b) initial rapid point dissolution of FexOy followed by (c) pitting corrosion of the exposed Fe0 sites (AS-ZVI, MF-FL system); as well as similar uniform corrosion of AP-ZVI in (d) the FL system and (e) the MF-FL system.