Chemical Papers

, Volume 62, Issue 3, pp 255–259 | Cite as

Extraction of copper ions using silica gel with chemically modified surface

  • Iwona RykowskaEmail author
  • Wiesław Wasiak
  • Joanna Byra
Original Paper


The applicability of silica gels for the application in solid-phase extraction was tested. Silica was modified with ketoimine groups. Surface characteristics of the modified silica were determined by elemental analysis, NMR spectra of solid phases (29Si CP MAS NMR), analysis of pore size distribution of the silica support, and nitrogen adsorption-desorption. Newly proposed sorbents with ketoimine groups were applied in the preconcentration of trace amounts of the Cu (II) ions from lake water, post-industrial water, and demineralized water unburdened back to the lake.


silica gel cooper ions solid-phase extraction ketoimine groups 


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Copyright information

© Versita 2008

Authors and Affiliations

  1. 1.Faculty of ChemistryAdam Mickiewicz UniversityPoznańPoland

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