Removal of Cu2+, Pb2+ , And Ni 2+ Ions From Simulated Waste Water By Ion Exchange Method On Zeolite And Purolite C105 Resin . jcoeng [Internet]. 2013 Oct. 1 [cited 2024 Nov. 23];19(10):1327-40. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2294