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A Β
C D
F I G U R E 2.1 Pourbaix diagrams for the system Cu-C0 3 -H 2 0 at carbon dioxide concentrations of
A , 4 4 ppm, B , 4 4 0 ppm, c, 4 4 0 0 ppm, and D , 44,00 0 ppm (after Pourbaix 1977).
