%0 Journal Article %A Daniela Simina Stefan %A Irina Meghea %T Mechanism of simultaneous removal of Ca2+, Ni2+, Pb2+ and Al3+ ions from aqueous solutions using Purolite® S930 ion exchange resin %J Comptes Rendus. Chimie %D 2014 %P 496-502 %V 17 %N 5 %I Elsevier %R 10.1016/j.crci.2013.09.010 %G en %F CRCHIM_2014__17_5_496_0