I-B & M SAX yikholomu eyomeleleyo yokutshintshiselana kwe-anion kunye ne-silica gel, eneqela elisebenzayo letyuwa ye-quaternary ammonium. Ikakhulu isetyenziselwa ukukhutshwa kweekhompawundi ezibuthathaka ze-anionic, ezifana ne-carboxylic acid. I-anion exchanger enamandla ingasetyenziselwa ukukhupha intlawulo embi emanzini kunye nesisombululo esingenamanzi, ngakumbi ukukhutshwa kwe-asidi ebuthakathaka. Ihlala isetyenziselwa ukususa i-anion eyomeleleyo (i-acids eziphilayo, i-nucleotides, i-nucleic acids, iingcambu ze-sulfonic acid, iityuwa ze-inorganic, njl. njl.) kwisampuli, kunye ne-biological macromolecule desalination.