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http://hdl.handle.net/20.500.12358/26375
Title | Extraction of Co, Ni, Cu, Zn and Cd ions using 2-aminophenylaminopropylpolysiloxane |
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Untitled | |
Abstract |
Insoluble porous solid functionalized ligand system bearing 2-aminophenylaminopropyl chelating ligand of the general formula P–(CH2)3NH–(C6H4)–NH2 was prepared via the sol–gel process, where P represents [Si–O] n polysiloxane network. First, the 2-aminophenylaminopropylsilane agent was prepared by substitution reaction between 3-chloropropyltrimethoxysilane and 1,2-phenylenediamine, followed by hydrolytic polycondensation between 2-aminophenylaminopropylsilane agent and tetraethylorthosilicate(TEOS). The immobilized 2-aminophenylaminopropylpolysiloxane P–(CH2)3NH–(C6H4)–NH2(P–AphA) was characterized by 13C NMR, XPS, and FTIR. The results showed that 1,2-phenylenediamine groups were introduced onto polysiloxane network. The functionalized ligand system exhibits 90–100% metal uptake capacity for all metal ions except Cd2+. The elemental … |
Type | Journal Article |
Date | 2010 |
Published in | Environmental Chemistry Letters |
Series | Volume: 8, Number: 4 |
Publisher | Springer-Verlag |
Citation | |
Item link | Item Link |
License | ![]() |
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Files in this item | ||
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El-Ashgar, Nizam M._26.pdf | 330.9Kb |