## Donnan emf (Donnan potential)

https://doi.org/10.1351/goldbook.D01830
The potential difference $$E_{\text{D}}$$ at zero @E01927@ between two identical @S05447@ bridges, usually saturated KCl bridges (conveniently measured by linking them to two identical electrodes) inserted into two solutions in @D01831@.
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]