ion exchange

American  

noun

1. the process of reciprocal transfer of ions between a solution and a resin or other suitable solid.

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ion exchange British  

noun

1. the process in which ions are exchanged between a solution and an insoluble solid, usually a resin. It is used to soften water, to separate radioactive isotopes, and to purify certain industrial chemicals

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ion exchange Scientific  

1. A reversible chemical reaction between two substances (usually a relatively insoluble solid and a solution) during which ions of equal charge may be interchanged. Ion exchange is used in water softening and purification, chemical analysis, the separation of radioactive isotopes, and kidney dialysis.

2. ◆ Cation exchange is the exchange of positively charged ions.

3. ◆ Anion exchange is the exchange of negatively charged ions.

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Etymology

Origin of ion exchange

First recorded in 1920–25

Example Sentences

He recommends treating the issue at the water point of entry to the home with cation exchange resin, a type of ion exchange.

From Los Angeles Times • Jul. 22, 2024

The simulations involved investigating the potential for ion exchange reactions between ternary wurtzite-type oxides and halides/nitrates.

From Science Daily • Apr. 19, 2024

If you opt for a whole house treatment system, which a plumber can attach where the water enters the house, ion exchange resin is probably the best choice.

From Salon • Apr. 17, 2024

That glass relies on a “really clever trick” called ion exchange, says Wilkinson.

From Slate • Jan. 11, 2024

Lilac plans to use the funds to construct a U.S. manufacturing facility for ion exchange beads, which are core to its extraction process.

From Reuters • Oct. 6, 2021