Journal
DESALINATION
Volume 232, Issue 1-3, Pages 20-25Publisher
ELSEVIER
DOI: 10.1016/j.desal.2008.01.006
Keywords
Inorganic ion-exchanger; Inorgano-organic ion-exchanger; Distribution studies
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A new inorgano-organic ion-exchanger p-chlorophenol anchored onto tin antimonate (SnSbpCP) was synthesized, where features of the organic and inorganic components complement each other leading to the formation of a new solid state structure with new composite properties. This type of composite represents a new class of hybrid exchangers with good ion-exchange capacity, higher stability, reproducibility and selectivity for heavy metals. The characterization of the resin was carried out by determining the ion exchange capacity, elemental analysis, pH titration, FT-IR spectra and thermal analysis (TGA). Chemical resistivity of these materials was assessed in several acidic, basic and organic media. The distribution coefficients (K-d) for 10 metal ions were determined in demineralised water. On the basis of difference in K-d values some important binary separations of metal ions were achieved.
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