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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.
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 has been described as the oldest scientific phenomenon known to humanity. This claim arises from descriptions that occur in the Bible and in the writings of Aristotle, but the first truly scientific allusion to ion exchange is attributed to two English agricultural chemists in 1850.
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.
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.
Ion exchange is an ancient technique during IX century with induce of ion exchange process between metal ion from copper/silver deposition and alkali ion in the glass of mixture of vinegar, clay and ochre.
The lab manual presents background and procedural information first for the Ion Exchange Titration method, and in the next experiment, delineates the Atomic Absorption Spectroscopy method. The objective of this experiment is to determine the percent K and Fe present in the unknown crystals via ion exchange titration .
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