Keywords: Ion exchange resin beads.jpg Ion Exchange resin nodules photographed by Adam Smith en wikipedia GcG 2005-10-30 Bugman wikipedia en Bugman original upload log page en wikipedia Ion_exchange_resin jpeg 2005-10-30 11 14 Bugman 561×323×8 76428 bytes <nowiki>Ion Exchange resin nodules photographed by Adam Smith</nowiki> Electrochemistry Resins |