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cation exchange

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
cation exchange
n.
A chemical process in which cations of like charge are exchanged equally between a solid, such as zeolite, and a solution, such as water. The process is often used to soften water.
cation exchange
See ion exchange.


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A value that characterizes each clay is the cation exchange capacity (CEC), expressed in meq/100 g, referring to the moderate negative charge of a sheet surface.
Rubber nanocomposites via solution and melt intercalation by Pannikottu, Abraham / Rubber World
Clays with high cation exchange capacities (CECs), such as montmorillonite, appear to be most effective at reducing metal bioavailability and toxicity (Babich and Stotzky 1977a, 1977b, 1978).
Impact of metals on the biodegradation of organic pollutants by Maier, Raina M. / Environmental Health Perspectives
Zeolite RHO is known to undergo significant changes in structure as a function of temperature and cation exchange.
Investigations of zeolitic materials at the NIST center for neutron ... by Toby, B.H. / Journal of Research of the National Institute of Standards and Technology
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