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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.
Pourbaix Diagrams are thermodynamic charts constructed using the Nernst equation and visualize the relationship between possible phases of a system, bounded by lines representing the reactions that transport between them. They can be read much like a phase diagram. In 1963, Pourbaix produced "Atlas of Electrochemical Equilibria", which contains ...
While lists of noble metals can differ, they tend to cluster around gold and the six platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum. In addition to this term's function as a compound noun , there are circumstances where noble is used as an adjective for the noun metal .
English: Pourbaix diagram of vanadium. Date: 22 September 2007 (original upload date) Vectorized 2013-10-12 15:15:48 ... The following 4 pages use this file: Group 5 ...
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
The front of a 20 pack of Marlboro Red cigarettes sold in New Zealand (2010). Later, New Zealand implemented the plain tobacco packaging in 2018. The first health warnings appeared on cigarette packets in New Zealand in 1974. Warning images accompanying text have been required to appear on each packet since 28 February 2008.
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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.