Pourbaix Diagrams (4) S.J.T.U. Phase Transformation and Applications 2.0 logaCu2+=10-4 logaCu2-=10-4 Cu2+ Cuo 1.0 cu0吃 0 Cu20 Cu -1.0 0 2 4 68101214 pH→ Figure 6.5 Pourbaix diagram for copper in water(selected activ- ity levels for Cu2+and CuO?).(From Ref.1.) lectrochemistry llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Springl 2008 © X. J. Jin Lecture 11 Electrochemistry II Pourbaix Diagrams (4)