Pourbaix diagram

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What Wikipedia says

In electrochemistry, and more generally in solution chemistry, a Pourbaix diagram, also known as a potential/pH diagram, EH–pH diagram or a pE/pH diagram, is a plot of possible thermodynamically stable phases (i.e., at chemical equilibrium) of an aqueous electrochemical system.

Excerpt from the Wikipedia article “Pourbaix diagram”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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