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ion exchange |
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ion exchange 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 ion exchange [′ī‚än iks‚chānj] (physical chemistry) A chemical reaction in which mobile hydrated ions of a solid are exchanged, equivalent for equivalent, for ions of like charge in solution; the solid has an open, fishnetlike structure, and the mobile ions neutralize the charged, or potentially charged, groups attached to the solid matrix; the solid matrix is termed the ion exchanger. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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For the urine studies, the Tris acetate buffer separation method was modified by adding a cation-exchange column in series to the anion-exchange column to separate cationic forms of arsenic species along with the anionic forms. Besides direct vegetational observations, soil profiles are documented, and soil is analyzed for pH and cation-exchange characteristics. |
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