has yet to be developed.

Aqueous reference electrodes

Common reference electrodes and potential with respect to the standard hydrogen electrode (SHE):

* Standard hydrogen electrode (SHE) (E = 0.000 V) activity of H⁺ = 1 Molar
* Normal hydrogen electrode (NHE) (E ? 0.000 V) concentration H⁺ = 1 Molar
* Reversible hydrogen electrode (RHE)