STUDY OF ION EXCHANGE ON VERMICULITE BY MEANS OF CARBON PASTE ELECTRODE

Z. Navrátilová and P. Kula

Institute of Geonics, Academy of Sciences of Czech Republic,Studentská 1768, Ostrava, Czech Republic

Key words: modified carbon paste electrode, clay minerals, ion exchange

Abstract

Voltammetry on the clay modified carbon paste electrodes was used to study of cation and anion exchange on the natural vermiculite in comparison with two natural montmorillonites. Metal ions Cu(II) and Hg(II) and organic dication paraquat were used as probe to ion exchange measurement.