Type	Potential (vs SHE) /V	Ref
Ag/AgCl (0.1 M KCl)	0.2881	2
Ag/AgCl (1.0 M KCl)	0.235	2
Ag/AgCl (Sat'd KCl)	0.197	1
Calomel (0.1M KCl)	0.3337	1
Calomel (1.0M KCl)	0.2801	1
Calomel (SCE, Sat'd KCl)	0.2412	1
Hg/HgSO4 (Sat'd K2SO4	0.64	1
Hg/HgO (0.1M NaOH)	0.149	3
Hg/HgO (1.0M NaOH)	0.108	3

Return to the main article

[1] Bard, A. J., Faulkner, L. R. Electrochemical Methods: Fundamentals and Applications, 2nd Edition. United States: John Wiley & Sons (2000)
[2] Meites, Louis. Handbook of Analytical Chemistry, United States, McGraw-Hill Book Company (1963)
[3] Kawashima, Kenta, et al. "Accurate Potentials of Hg/HgO Electrodes: Practical Parameters for Reporting Alkaline Water Electrolysis Overpotentials." ACS Catalysis 13 (2023): 1893-1898