Abstract
A nitron-polyvinylbenzyl chloride polymer was found to have a strong preference for oxidizing anions such as NO3 −, NO2 −, ReO4 −, MnO4 −, C1O4 −, C1O3 −, and Cr2O7 = but not for the non-oxidizing anions SO4 =, HSO4 −, H2PO4 =, HPO4 =, PO4 =, OH−, CO3 =, HCO3 −, F−, C1−, and Br−.