Donnan equilibrium


Don·nan equilibrium

noun \ˈdän-ən-\

Definition of DONNAN EQUILIBRIUM

: 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

Biographical Note for DONNAN EQUILIBRIUM

Donnan, Frederick George (1870–1956), British chemist. A university professor for most of his career, Donnan made important contributions as a colloid chemist. Apart from the theory of membrane equilibrium named after him, he did research during World War I on chemical warfare and nitrogen products. He did early research on synthetic ammonia and nitric acid and helped in the development of mustard gas.

Seen & Heard

What made you want to look up Donnan equilibrium? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More