Abstract
The catalytic reaction of hydrogen peroxide decomposition in aqueous solution in the presence of Cu(II)-containing ion-exchange resins of the poly-α-picolinic type (AN-25, AN-251) was studied. It has been shown using the EPR and IR spectroscopies that in these polymers the methyl groups of the 2-methyl-5-vinylpyridine residues are oxidized to carboxyl groups forming fragments of α-picolinic acid, producing a new chelating ion-exchanger.
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