Selective Extraction of Copper(II) from Aqueous Solution by Using Schiff Bases

• Autorzy: Aydin L. , Sözcan S. , Ziyadanogullari B. , Temel H.
• Języki publikacji: EN

Abstrakty

EN

New [N,N'-bis-(salicylaldehydene)-1,2-bis-(m-aminophenoxy)eth ane] (MAS) and a common tetra dentate ligand N,N'-ethylenebis(salicylideneimine) (AS) for this study have been prepared, and the new ligand was characterized on the basis of microanalytical data, elemental analysis, UV-visible, IR, 1H NMR and 13C NMR spectra. Selective extraction of Cu(II) from aqueous solution by using N,N'-bis-(salicylalde hydene)-1,2-bis-(m-aminophenoxy)ethane and N,N'-ethylenebis(salicylideneimine) was studied. Separation of Cu(II) from other metal ions such as Cd(II), Pb(II), Ni(II), Co(II) in aqueous solutions of various pH values and complexing reagents (MAS, AS) was described. The separation factors for these metals using these reagents were reported and efficient methods for the separation of Cu(II) from other metal ions were proposed. From the loaded organic phase, Cu(II) stripping was carried out in one stage with different mineral acid solutions. The stripping efficiency was found to be quantitative in case of H2SO4 for MAS and HNO3, H2SO4, HCl for AS.

Słowa kluczowe

EN

separation; selective extraction; preconcentration; copper; Schiff bases

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2009
• Tom: Vol. 83, nr 9
• Strony: 1591--1600
• Opis fizyczny: Bibliogr. 29 poz., rys.

Twórcy

autor

Aydin L.

autor

Sözcan S.

autor

Ziyadanogullari B.

autor

Temel H.

• University of Dicle, Faculty of Sci ence and Art, Chemistry Department, TR 21280, Diyarbakir, Turkey,

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