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...
28 KB (4,313 words) - 18:56, 21 March 2024
solution are related by the Nernst equation as commonly represented by a Pourbaix diagram ( E h {\displaystyle E_{h}} – pH plot). E h {\displaystyle E_{h}} explicitly...
47 KB (6,922 words) - 02:48, 21 October 2024
A diagram is a symbolic representation of information using visualization techniques. Diagrams have been used since prehistoric times on walls of caves...
16 KB (1,060 words) - 09:41, 12 November 2024
available for oxidation or reduction. The notion of pe is used with Pourbaix diagrams. pe is a dimensionless number and can easily be related to EH by the...
24 KB (3,173 words) - 23:59, 24 February 2024
achievement is the derivation of potential-pH, better known as “Pourbaix Diagrams”. Pourbaix Diagrams are thermodynamic charts constructed using the Nernst equation...
7 KB (794 words) - 10:46, 14 August 2024
conditions necessary, but not sufficient, for passivation are recorded in Pourbaix diagrams. Some corrosion inhibitors help the formation of a passivation layer...
30 KB (3,498 words) - 02:15, 23 October 2024
on the redox equilibrium. Pourbaix diagram Ellingham diagram Frost, Arthur (1951). "Oxidation Potential–Free Energy Diagrams". Journal of the American...
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given in the table of standard electrode potential. Nernst equation Pourbaix diagram Solvated electron Standard electrode potential (data page) Standard...
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arsenites are the main arsenic species in anoxic waters with a low pe. A Pourbaix diagram shows the combined influence of pH and pe on arsenate speciation. Arsenates...
14 KB (1,226 words) - 18:01, 31 March 2024
Lead compounds (section Phase diagrams of solubilities)
principle. Lead(II) sulfate is poorly soluble, as can be seen in the following diagram showing addition of SO2− 4 to a solution containing 0.1 M of Pb2+. The...
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rebar is passivated and is protected from corrosion. According to the Pourbaix diagram for iron, the metal is passive when the pH is above 9.5. The carbon...
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solution becomes more basic and this relationship is described by the Pourbaix Diagram. All the above parameters are responsible for controlling side product...
32 KB (3,331 words) - 14:44, 8 November 2024
unstable and will disproportionate in O2 and H2O. Frost diagram Pourbaix diagram Ellingham diagram Atkins, Peter; Overton, Tina (2010). "5. Oxidation and...
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Olowe, Ph. Refait, and L. Simon (1996): "On the stoichiometry and Pourbaix diagram of Fe(II)-Fe(III) hydroxy-sulphate or sulphate-containing green rust...
21 KB (2,582 words) - 22:21, 18 July 2024
water-soluble. The interactions of carbonate anions with uranium(VI) cause the Pourbaix diagram to change greatly when the medium is changed from water to a carbonate...
110 KB (12,380 words) - 11:06, 17 October 2024
Pourbaix diagram for copper in uncomplexed media (anions other than OH- not considered). Ion concentration 0.001 m (mol/kg water). Temperature 25 °C....
122 KB (13,921 words) - 21:34, 13 November 2024
volt/ pH unit delimiting the lower stability region of water in a Pourbaix diagram where gaseous hydrogen is evolving because of water decomposition....
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pitting Panel edge staining Pitting resistance equivalent number (PREN) Pourbaix diagram Point defect (point-defect model) Stress corrosion cracking (SCC) Sulfide...
33 KB (3,882 words) - 19:54, 2 October 2024
hydroxo regime but weak enough to allow reaction in the oxo regime (see Pourbaix diagram). The applications for sol gel-derived products are numerous. For example...
30 KB (3,801 words) - 08:05, 6 June 2024
obtain Mg is lower than the stability domain of water on an Eh–pH diagram (Pourbaix diagram). MgCl2 → Mg + Cl2 The production of metallic magnesium at the...
23 KB (2,183 words) - 11:55, 15 October 2024
Boehler, Reinhard (2000). "High-pressure experiments and the phase diagram of lower mantle and core materials". Reviews of Geophysics. 38 (2). American...
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isolation in electrical/electronic circuits Galvanic series Galvanization Pourbaix diagram – Plot of thermodynamically stable phases of an aqueous electrochemical...
24 KB (2,776 words) - 21:25, 30 August 2024
water-soluble. The interactions of carbonate anions with uranium(VI) cause the Pourbaix diagram to change greatly when the medium is changed from water to a carbonate...
13 KB (1,294 words) - 09:38, 19 June 2024
Pourbaix diagram for copper in uncomplexed media (anions other than OH− not considered). Ion concentration 0.001 mol/kg water. Temperature 25 °C....
12 KB (1,049 words) - 17:26, 4 October 2024
Pourbaix diagram for titanium in pure water, perchloric acid, or sodium hydroxide...
80 KB (8,810 words) - 15:52, 2 November 2024
under basic conditions. This can be illustrated by means of a Pourbaix diagram (Eh–pH diagram) drawn using the Nernst equation and the corresponding redox...
32 KB (3,498 words) - 18:24, 4 November 2024
The Pourbaix diagram for chromium in pure water, perchloric acid, or sodium hydroxide...
14 KB (1,400 words) - 20:36, 19 December 2023
Nanoelectrochemistry Photoelectrochemistry Plasma electrochemistry Pourbaix diagram Protein film voltammetry Reactivity series Redox titration Standard...
62 KB (8,000 words) - 21:01, 25 October 2024