Medical Definition of Cation exchange

1. The process by which a cation in a liquid phase exchanges with another cation present as the counter-ion of a negatively charged solid polymer (cation exchanger). A cation-exchange reaction in removal of the Na+ of a sodium chloride solution is RSO3-H+ + Na+ → RSO3-Na+ + H+ (R is the polymer, RSO3- is the cation exchanger); if this is combined with the anion-exchange reaction, NaCl is removed from the solution (desalting). Cation exchange may also be used chromatographically, to separate cations, and medicinally, to remove a cation; e.g., H+, from gastric contents, or Na+ and K+ in the intestine. See: anion exchange. (05 Mar 2000)

Lexicographical Neighbors of Cation Exchange

cathouses
cation
cation
cation-anion difference
cation-exchange resin
cationic
cationic
cationically
cationic detergent
cationic detergents
cationic protein
cationised ferritin
cationogen
cations
cations
cation exchange (current term)
cation exchanger
cation exchange resins
cation exhange resin
catjang
catjangs
catjang pea
catkin
catkin
catkinate
catkins
catlike
catlin
catling
catling

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