SORPTION OF Cu2+, Zn2+, Cd2+ AND Pb2+-IONS BY DIAION CR-11 AND DUOLITE C-467 CHELATING ION EXCHANGERS
M.M. JafarliDoctor of Philosophy in Chemistry, Senior scientific collaborator, of laboratory Sorptional processes of Institute Natural Recourses of Nakhchivan Branch of National Academy of Sciences of Azerbaijan
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The equilibrium sorption of Cu 2+ , Zn 2+ , Cd 2+ and Pb 2+ -ions by polyampholytes Daion CR-11(with iminodiacetic group, Na + ) and Duolite C-467 (with amino-fosfon group, Na + ), depending on the degree of neutralization of the ionogenic groups, concentrations of solutions and acidity is investigated. Equilibrium and kinetic parameters of sorption processes are defined, thermodynamic quantities are calculated.
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