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http://hdl.handle.net/20.500.12358/26140
TitleUptake of divalent metal ions (Cu2+, Ni2+, and Co2+) by polysiloxane immobilized triamine-thiol and thiol-acetate ligand system
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Abstract

Insoluble porous solid polysiloxanes-immobilized ligand systems bearing hybrid mixture of triamine-thiol ligand and thiol-acetate ligand as chelating functional groups of the general formula P-(CH2)3-X(Y) (Where P represents a silica like siloxane framework and X represents a mixture of triamine and thiol, -NHCH2)2NH-(CH2)2-NH2 and –SH, and Y represents a thiol-acetate -SCH2COOH functional groups) has been prepared. The immobilized triamine-thiol ligand system was prepared through the sol-gel process by hydrolytic polycondensation of Si(OEt)4 and a mixture of 3-mercaptopropyltrimethoxysilane and 3-diethylenetriaminepropyltrimethoxysilane coupling agents. The immobilized thiol-acetate ligand system was prepared by the reaction of polysiloxane immobilized thiol ligand with ethylchloroacetate. These ligand systems exhibit high potential for extraction and preconcentration of divalent metal ions (Co …

Authors
El-Nahhal, Issa M.
El-Shetary, Basheer A.
Salib, Kamal A.
El-Ashgar, Nizam M.
El-Hashash, Ahmed M.
TypeJournal Article
Date2001
Published inAnalytical letters
SeriesVolume: 34, Number: 12
PublisherTaylor & Francis Group
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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