anion exchange


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Related to anion exchange: cation exchange, Anion exchange membrane, anion exchange resin

anion exchange

[′a‚nī·ən iks′chānj]
(chemistry)
A type of ion exchange in which the immobilized functional groups on the solid resin are positive.
References in periodicals archive ?
All of the weak base anion exchange resins provided excellent decolorization.
Final purification of genomic DNA used a combination of anion exchange chromatography and gel filtration.
Moreover, it was demonstrated that the thickness of the electrodeposited additional layer of PPy influences the cation and/or anion exchange during the redox processes in the new composite structure.
20] Band 3 mediates anion exchange through a sequence of steps known as the ping-pong mechanism.
The new 3M Emphaze AEX Hybrid Purifier combines three 3M technologies--advanced polymer materials, fine fiber nonwovens and membranes--to deliver an all-synthetic clarifying product line containing both a novel anion exchange nonwoven media, and a fine particle, bioburden reduction membrane.
A large number of cation exchange materials are reported in the literature, but very few anion exchange materials have been studied so far.
Patton for their poster on "Synthesis and Characterization of Crosslinked, Quaternary Ammonium Polybenzoxazines for Anion Exchange Membranes.
Due to its unique morphology, anion exchange properties, reduction ability, and tunable optical absorption properties, this hybrid polymer is a strong candidate for the construction of new functional nanocomposites.
Older methods, such as isoelectric focusing, produced better results than anion exchange, even in studies that reported paired comparisons in which the same samples were analyzed with both methods.
Topics include methods of sampling soils for analysis, selective dissolution techniques for mineral analysis of soils and sediments, x-ray diffraction techniques, thermal analysis, photographic microscope techniques, soil micromorphology, digital image analysis, transmission electron microscopy, scanning electron microscopy, atomic force microscopy, electron microprobe techniques, diffuse reflectance spectrometry, x-ray absorption spectroscopy, the structural allocation of clay mineral components and the analysis of layer change, cation and anion exchange capacities and the synthesis of reduced charge clays.