Preconcentration and removal of iron, copper, chromium, nickel and strontium on activated carbon in aqua solution and determination by ICP-OES

In this study, Fe, Cu, Cr, Ni and Sr have been preconcentrated and removal by using N,N?-ethylenebis(ethanesulfonamide) (esen), benzene sulfonic acid 1-methyl hidrazide (bsmh), and benzenesulfonamide, N-(3- amino-2-hydrokxypropyl (bsdiap) ligands on activated carbon in aqua solution. For this aim, complexes between these metals and ligands have been investigated and these couple of metal-ligands have been used in preconcentration and removal study. Factors which have affected adsorption of metals on activated carbon have been optimized. Adsorbed metals have been preconcentrated 10 fold and determined by ICP-OES. Interferences of Ca, Mg and K to this process have been investigated. The proposed method has been applied to the tap water and Ankara Creek water in order to Fe, Cu, Cr, Ni and Sr remediation and preconcentration. Determination of metals by ICP-OES has been checked with standard reference material (Nist 1643e).