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Ion-exchange reaction, any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions) that involves an exchange of one or more ionic components. Ions are atoms, or groups of atoms, that bear a positive or negative electric.
Ion exchange is a reversible interchange of one species of ion present in an insoluble solid with another of like charge present in a solution surrounding the solid. Ion exchange is used in softening or demineralizing of water, purification of chemicals, and separation of substances.
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What Is Ion Exchange? Some Definitions. A broad definition of ion exchange is that it is the transfer of ions across a boundary; this would then cover movement of ions from one liquid phase to another.
Ion-exchange reaction - Applications, Chemistry, Processes: Ion exchange is used for both analytical and preparative purposes in the laboratory, the analytical uses being the more common. An important use of ion-exchange chromatography is in the routine analysis of amino acid mixtures.
Ion-exchange reaction - Materials, Process, Applications: Soil is able to bind positive ions (like K+ and Ca2+) because it contains clay minerals and organic humic acids. Both of those substances are insoluble materials that carry, as a part of their molecular framework, negatively charged ionic groups.
Oct 31, 2022 · Ion exchange is a chemical process to remove unwanted dissolved ions in water and wastewater. To remove the ions, they are exchanged with ions that have a similar charge. There are two groups of ions: Positively charged ions (cations) Negatively charged ions (anions)
Jan 1, 2012 · In principle, ion exchange is a process involving an exchange of ions between an electrolyte solution (aqueous phase) and similarly charged ions immobilized in an ion exchange material (solid phase), which takes place through a stoichiometric reversible ion exchange reaction.
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