TY - JOUR A1 - Azizian, M F A1 - Nelson, P O T1 - Hexavalent chromium adsorption kinetics and equilibrium in a natural soil. Y1 - 1993// N1 - R825689 N1 - R825689C005 JF - IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY J1 - IRAN J SCI TECHNOL VL - 17 IS - 2 SP - 81 EP - 89 ER -