anion exchange

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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 ?
Table 2 illustrates the influence of pH upon processing of the enzyme solution by strong anion-exchange resins.
Research shows that with furfural concentration increase in a reactionary mix the size of exchange capacity and swelling capacity of anion-exchange resin go down.
Whatman DE-53, a weak anion-exchange resin, was chosen because it has excellent physical properties compatible with the microcentrifuge spin column method and a high exchange capacity ([greater than or equal to] 2 meq/g dry weight).
During the process, cations are replaced with hydrogen ions using cation-exchange resins; anions are replaced with hydroxyls using anion-exchange resins.