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standard reduction potentials

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030172
EISBN: 978-1-62708-282-2
...Standard reduction potentials Table 1 Standard reduction potentials Electrode Reaction Potential, V Li, Li + Li + + e − → Li −3.02 K, K + K + + e − → K −2.92 Na, Na + Na + + e − → Na −2.71 Mg, Mg 2+ Mg 2+ + e − → Mg −2.37 Al, Al 3+ Al 3...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910049
EISBN: 978-1-62708-250-1
...; corrosion Effect of concentration on equilibrium electrode potential Table 4 Effect of concentration on equilibrium electrode potential Ferrous ion reduction Ferrous ion + 2 electrons → iron Fe 2+ + 2 e − → Fe E = − 0.440 − 0.059 2 log ( 1 Fe 2...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310011
EISBN: 978-1-62708-286-0
...) Table 1 ( Ref 6 ) lists half-cell reduction standard potentials ( E O x / Re ⁡ 0 ) versus NHE that are a result of the emf of the following types of cells (for Reaction 2, as an example): P t / H 2 ( a = 1 ) / H + ( a = 1 ) , Fe 2 + ( a = 1...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550141
EISBN: 978-1-62708-307-2
... and a longer time, for example, 60 min at 150 °C (300 °F) instead of 15 min at 260 °C (500 °F). (c) ZK60 has limited weldability. Source: Ref 3.5 Standard reduction potentials Table 3.9 Standard reduction potentials Electrode Reaction Potential, V Li,Li + Li + + e – → Li...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940087
EISBN: 978-1-62708-302-7
... in the potential range a to c cause a decrease in current density. Fig. 3.8 Representation of the shifts in electrical and electrochemical free energies when conditions are imposed producing oxidation and reduction overpotentials Fig. 3.11 Experimental charge-transfer polarization curves, E vs...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940233
EISBN: 978-1-62708-302-7
... ( oxidation ) (Eq 6.22) η = E − E ′ = - β red  log I red I o ( reduction ) where E′ is the equilibrium potential of the half-cell reaction, β ox and β red are the Tafel constants for the oxidation and reduction components, and I o...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940183
EISBN: 978-1-62708-302-7
... polarization curve for pure chromium in hydrogen-saturated (deaerated) 1 N H 2 SO 4 at 25 °C. Dashed section is a cathodic “peak” where the hydrogen-ion reduction dominates over the passive chromium oxidation. Redrawn from Ref 9 Fig. 5.30 Standard ASTM potentiodynamic anodic polarization plot...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230055
EISBN: 978-1-62708-298-3
...Abstract Abstract This chapter provides a fundamental understanding of beryllium reduction thermodynamics as a prerequisite for subsequent chapters on extraction, chemical processing, and corrosion. It examines a number of reduction methods along with a potential refining process, highlighting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.9781627083027
EISBN: 978-1-62708-302-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940127
EISBN: 978-1-62708-302-7
... = ( ϕ X o − ϕ X x + ) − Δ ϕ SHE Thus, the E values (relative interface potential differences, or interface potentials) represent differences in potentials across the metal/solution interface minus the potential difference across the standard hydrogen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900065
EISBN: 978-1-62708-350-8
...Abstract Abstract The compound zone that forms on the surface of nitrided steels is often called the white layer. When the nitrided sample is sectioned through the case, and then polished and etched with a standard solution of nital (2 to 5% nitric acid and alcohol), the immediate surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410001
EISBN: 978-1-62708-280-8
... of the gasoline engines have aluminum cylinder heads. Automotive wheels rank high, based on styling opportunities. A high percentage of engines have aluminum blocks. Customers are willing to pay a premium for aluminum steering knuckles and brake calipers because of the potential for unsprung mass reduction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... by maintaining a metal surface in contact with an environment of controlled chemical composition. By fixing the concentration of species in the environment, the potential of the metal surface is fixed. Standard reference electrodes that are identified in Table 9 include a standard hydrogen electrode...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940001
EISBN: 978-1-62708-302-7
...+ + me, and at the cathodic site, the generalized net reduction reaction is X x+ + xe → X. As a consequence of the transfer of ions and electrons at each interface, differences in electrical potential, Δ ϕ a and Δ ϕ c , develop between the metal and the solution at the anodic and cathodic sites...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480331
EISBN: 978-1-62708-318-8
... resistance of unalloyed titanium in reducing acids Table 14.8 Effect of impressed anodic potential on corrosion resistance of unalloyed titanium in reducing acids Acid rate Temperature Applied potential (volts vs. H 2 ) Corrosion rate Reduction of corrosion, times °C °F mm/yr mils/yr...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770037
EISBN: 978-1-62708-337-9
...Laboratory results: effect of atmospheres on high-strength steels Table 2.1 Laboratory results: effect of atmospheres on high-strength steels Atmosphere Depth of decarburization, μm (in.) Depth of intergranular attack, μm (μin.) Average tensile strength, MPa (ksi) Average Standard...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700001
EISBN: 978-1-62708-279-2
... shows the dependence of weight reduction on the yield strength of AHSS. The potential for weight reduction increases with increase in the yield strength of the material. Dependence of weight reduction on yield strength of AHSS Table 1.8 Dependence of weight reduction on yield strength of AHSS...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030184
EISBN: 978-1-62708-282-2
...Standard electromotive force series for selected metals Table 1 Standard electromotive force series for selected metals Metal-metal ion equilibrium (unit activity) Potential at 25 ° C (77 °F), V Noble or cathodic (protected) Ag/Ag + +0.80 Cu/Cu 2+ +0.34 H 2 /H...