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http://hdl.handle.net/20.500.12358/26181
Title | Structural characterization of immobilized-polysiloxane iminobis (N-diethylenediamineacetamide) ligand system |
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Abstract |
Insoluble porous solid polysiloxane immobilized ligand system bearing chelating ligand group of the general formula P(CH2)3N[CH2CONH(CH2)2NH(CH2)2NH2]2 (where P represents [SiO]n polysiloxane network) has been prepared by the reaction between the polysiloxane immobilized diethyliminodiacetate ligand system, P(CH2)3N(CH2CO2Et)2 and diethylenetriamine in toluene. The XPS and FTIR results showed that all ethylacetate groups (COOEt) are converted into the amide groups (NCO). The new functionalized ligand system exhibits high capacity for the uptake of the metal ions (Mn2+, Fe3+, Co2+, Ni2+, Cu2+ and Zn2+). Complexation of the prepared ligand system for these metal ions at the optimum conditions was found in the order: Cu2+>Ni2+>Fe3+>Co2+>Mn2+>Zn2+. This ligand system shows higher capacity toward the metal ions than its iminiodiactate precursor which we have been … |
Type | Journal Article |
Date | 2003 |
Published in | Solid state sciences |
Series | Volume: 5, Number: 10 |
Publisher | Elsevier Masson |
Citation | |
Item link | Item Link |
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