Donnan potential difference

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• Gibbs–Donnan effect — Donnan equilibrium across a cell membrane (schematic) The Gibbs–Donnan effect (also known as the Donnan effect, Donnan law, Donnan equilibrium, or Gibbs–Donnan equilibrium) is a name for the behavior of charged particles near a semi permeable… …   Wikipedia

• Donnan, Frederick George — ▪ British chemist born Sept. 5, 1870, Colombo, Ceylon [now Sri Lanka] died Dec. 16, 1956, Canterbury, Kent, Eng.       British chemist whose work was instrumental in the development of colloid chemistry.       Donnan was educated at Queen s… …   Universalium

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• Potassium — (pronEng|pəˈtæsiəm) is a chemical element. It has the symbol K ( la. kalium, from ar. qalīy), atomic number 19, and atomic mass 39.0983. The name potassium comes from the word potash , as potassium was first isolated from potash. Potassium is a… …   Wikipedia