title: Adsorption of phosphate by aluminum hydroxycarbonate.
abstract: Phosphate is specifically adsorbed by aluminum hydroxycarbonate by anion ligand exchange. IR analysis indicated that phosphate exchanged with specifically adsorbed carbonate. Adsorption is favored by low pH and is inversely related to particle size. Adsorption of phosphate decreases the rate of acid neutralization of aluminum hydroxycarbonate. The results are applied to the treatment of hyperphosphatemia and hypophosphatemia.
mesh_terms: D000327:Adsorption; D000536:Aluminum Hydroxide / Q000032:analysis*; D000537:Aluminum Oxide / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D010710:Phosphates / Q000032:analysis*; D013055:Spectrophotometry, Infrared; D013499:Surface Properties; D013696:Temperature; D013997:Time Factors
chemical_list: D010710:Phosphates; C025173:basic aluminum carbonate gel; D000536:Aluminum Hydroxide; D000537:Aluminum Oxide