ion exchanger

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an·i·on ex·chang·er

(an'ī-on eks-chānj'ĕr),
An insoluble solid, usually a polystyrene or a polysaccharide, with cation groups (for example, -NR3+ or -NR2H+), which can attract and hold anions that pass by in a moving solution in exchange for anions previously held.
Farlex Partner Medical Dictionary © Farlex 2012

ion exchanger

n.
A polymer containing charged groups to which other charged mobile ions become attached or replaced, used in chromatography.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
However, the Chelating Resins Market have exact same polymer matrix and bead form as those of conventional ion exchangers. Request TOC of this Report- https://www.factmr.com/connectus/sample?flag=T&rep_id=594 Sulfonic acid and the conventional ion-exchange resins are extensively used in several industrial applications such as recovery and creation of metals, industrial wastewater treatment.
For the production of soft water, more and more ion exchangers with sodium chloride regeneration have been used for more than 50 years.
However, equilibrium sorption studies for temperature effect revealed that temperature elevation improves ion sorption for several studied sorption processes using chemically prepared ion exchangers (39).
They cover integrating tunable anion exchange with reverse osmosis for enhanced recovery during inland brackish water desalination, removing boron from water by ion exchange and hybrid processes, a greener and sustainable approach for synthesizing commercially important epoxide building blocks using polymer-supported molybdenum (VI) complexes as catalysts, solid-phase heavy-metal separation with selective ion exchangers: two novel morphologies, separating concentrated ion mixtures in sorption columns with two liquid phases, and sensing toxic metals using an innovative sorption-based technique.
The thermodynamic parameters entropy (S) enthalpy (H) and free energy (G) changes are computed which reveal that the chromium removal from tannery wastes by ion exchangers is an endothermic physical sorption and entropically driven process.
(2001), these elements are efficient ion exchangers for the removal of heavy metals from aqueous solutions.
Recently, synthetic inorganic ion exchangers have gained much attention owing to their high selectivity for certain elements, good sorption kinetics and specially their greater stability to heat, ionizing radiation and different chemical media.
Recovering even small amounts of metal Traditionally, metal ions are removed from solutions with the help of chemical coagulants or ion exchangers, which usually require adjustments to the solution's pH or significant extra energy in order to function efficiently.
Ion exchangers are the older and somewhat less sophisticated technology.
The production of ultrapure water for the pharmaceutical or semiconductor industries requires high-quality ion exchangers. Metrohm CIC is an invaluable tool for testing the purity of anion-exchanger materials.