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Pourbaix diagram of iron. [1] The Y axis corresponds to voltage potential. In electrochemistry, and more generally in solution chemistry, a Pourbaix diagram, also known as a potential/pH diagram, E H –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.
In electrochemistry, the Nernst equation is a chemical thermodynamical relationship that permits the calculation of the reduction potential of a reaction (half-cell or full cell reaction) from the standard electrode potential, absolute temperature, the number of electrons involved in the redox reaction, and activities (often approximated by concentrations) of the chemical species undergoing ...
Au 3+ + 3 e − → Au: 1.5: 2.54: 223 Platinum ... The simplified entries in the reaction column can be read in detail from the Pourbaix diagrams of the considered ...
Also, there are no Pourbaix diagrams available, no standard redox potentials, and bare knowledge of speciation or pH-values. It must be noticed that most processes reported in the literature involving ionic fluids have a Technology Readiness Level (TRL) 3 (experimental proof-of-concept) or 4 (technology validated in the lab), which is a ...
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Marcel Pourbaix (16 September 1904 – 28 September 1998) was a Belgian chemist and pianist. [citation needed] He performed his most well known research at the University of Brussels, studying corrosion. [1] His biggest achievement is the derivation of potential-pH, better known as “Pourbaix Diagrams”.
Pourbaix diagram of iron in uncomplexed media (anions other than OH-not considered). Ion concentration 0.001 m (mol/kg water). Temperature 25°C. Date: 23 October 2007: Source: self-made, with data from software FactSage version 5.3. Author: Metallos
Not sure how to resolve this, the horizontal pH scale on the iron Pourbaix diagram is incorrect, counting: "0 2 4 6 8 10 11 14". I just fixed that typo in the figure's X axis. Olawlor ( talk ) 06:32, 6 April 2019 (UTC) [ reply ]