: the ionic equilibrium reached in a solution of an electrolyte whose ions are diffusible through a semipermeable membrane but are distributed unequally on the two sides of the membrane because of the presence of a nondiffusible colloidal ion (as a protein ion) on one side of the membrane
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“Donnan equilibrium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Donnan%20equilibrium. Accessed 29 Nov. 2024.
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