Wikipedia - Donnan potential (en) Donnan emf (Donnan potential)

https://doi.org/10.1351/goldbook.D01830
The potential difference $$E_{\text{D}}$$ at zero @[email protected] between two identical @[email protected] bridges, usually saturated KCl bridges (conveniently measured by linking them to two identical electrodes) inserted into two solutions in @[email protected]
Source:
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 619 [Terms] [Paper]