Dendritic effects of crown ether-functionalized dendrimers on the solvent extraction of metal ions |
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Authors: | Dimitrios Alivertis |
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Affiliation: | Department of Chemistry, University of Ioannina, GR-451 10 Ioannina, Greece |
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Abstract: | The ability of a series of crown ether-functionalized dendrimers to function as alkali metal picrate extraction agents is assessed by liquid-liquid extraction and 1H NMR titration experiments. Crown ether-functionalized dendrimers that contain Fréchet-type poly(benzyl ether) dendrons of different generation as building blocks display different extraction characteristics toward alkali metal cations. Positive and negative dendritic effects depending on the generation of the dendrimer are assigned in the complexation behaviour of the dendritic host compounds. |
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