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. Author manuscript; available in PMC: 2011 Nov 22.
Published in final edited form as: Mater Sci Eng R Rep. 2010 Nov 22;70(3-6):44–62. doi: 10.1016/j.mser.2010.06.002

Table 1.

Electrochemical potentials of relevant species relative to the standard hydrogen electrode (SHE)

Half Reaction E°/V vs SHEa
Ag+ + e- → Ag 0.80
Au3+ + 3e- → Au 1.50
Au+ + e- → Au 1.69
Pd2+ + 2e- → Pd 0.95
Pt2+ + 2e- → Pt 1.18
a

For ideal reactions at 25 °C and 1 atm. Elevated temperatures, the presence of ions such as Cl- ions, and other non-standard conditions can all affect the actual potentials [42].