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deionization |
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deionization [dē‚ī·ən·ə′zā·shən]
(chemistry) An ion-exchange process in which all charged species or ionizable organic and inorganic salts are removed from solution. (electronics) The return of an ionized gas to its neutral state after all sources of ionization have been removed, involving diffusion of ions to the container walls and volume recombination of negative and positive ions. cation-exchange softening The softening of water by the removal of dissolved ionic contaminants in hard water (such as scale-forming magnesium and calcium ions) and their replacement with sodium ions, which are more soluble. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | These were dispersed in deionized water (20% by weight). Then they treated each sponge in one of five ways: 1) soaked it for 3 minutes in a 10 percent chlorine bleach solution, 2) soaked it in lemon juice or deionized water for 1 minute, 3) heated it in a microwave for 1 minute, 4) placed it in a dishwasher operating with a drying cycle, or 5) left it untreated. For example, the firm failed to provide an air break, or other mechanical device, between the sewer and the deionized water tank to prevent back-siphonage; and, the water line from the deionized water tank to the product-mixing kettles was constructed in such a manner that the piping allowed standing water to accumulate between drug product batches. |
Deionized water |
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