ion exchange

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Related to Cation-exchange: Cation exchange resin

ion exchange

n.
A reversible chemical reaction between an insoluble solid and a solution during which ions may be interchanged, used in water softening and in the separation of radioactive isotopes.

ion exchange

n
(Chemistry) 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

i′on exchange`


n.
the process of reciprocal transfer of ions between a solution and a resin or other suitable solid.
[1920–25]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ion exchange - a process in which ions are exchanged between a solution and an insoluble (usually resinous) solidion exchange - a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid; widely used in industrial processing
natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
Translations

ion exchange

nscambio ionico
References in periodicals archive ?
Helling CS, Chesters G, Corey RB (1964) Contribution of organic matter and clay to soil cation-exchange capacity as affected by pH of the saturating solution.
In their research, the scientists purified bacteriocin KU24 using column-, cation-exchange and gel-filtration chromatography.
Recent research produced a high-productivity, strong cation-exchange adsorber for protein capture by graft polymerization onto membranes of differing pore sizes.
During the process, cations are replaced with hydrogen ions using cation-exchange resins; anions are replaced with hydroxyls using anion-exchange resins.
We were the first received and investigated new phosphate cation-exchange resins, nitrogen-phosphorus containing ion-exchange resins using chemical transformation of benzyl bromide-furfural polymers (Tursunov and Nazirova, 1985b; 1985c).
Rapid analysis of hemoglobin variants by cation-exchange HPLC.
Ideally pH and ([SIGMA]Exi) or CEC should be constant across the entire isotherm to generate cation-exchange isotherm despite that the pH and CEC constancy in soil clay minerals is rarely obtained (Evangelou and Lumbanraja 2002).
2) Although electrophoresis at alkaline and acid pH has been widely used for many years, the emergence of cation-exchange high-performance liquid chromatography, or HPLC, as the method of choice for quantification of HbA2 and Hb Hand identification of Hb variants, (9) streamlined the recommended preliminary and follow-up tests for the identification of hemoglobinopathies and thalassemias, and provided rapid and complete diagnostic work-up in a majority of eases.
Samples were then evaporated to dryness and subjected to the process of acid-dissolution, cation-exchange, and filament loading described above with the exception of the initial HF and HN[O.
Reversed-phase (RP) and cation-exchange HPLC are often applied, and the latter enables the quantification of various Hb fractions, including HbF and Hb[A.
1997a, b) reported not only the production of diethoxymethane by the reaction of ethanol and formaldehyde, but also 1,3-dioxolane production by cyclic acetalization of ethylene glycol with formaldehyde in the presence of the cation-exchange resin catalyst in a reactive distillation column.
Because the charge of the polymer (~1800 meq) is much larger than that of the phosphorus, their cation-exchange capacity is very high, and the cations in the soil (calcium, iron, magnesium, and aluminum) are attracted to the polymer, leaving a much greater percentage of phosphorus available to serve as a nutrient.