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EDTA Ca-montmorillonite

Effect of Complex Formation in the EDTA/ Ca-Montmorillonite/Lead(II) Ion System... [Pg.130]

K6nya, J., and N. M. Nagy. 1998. The effect of complex-forming agent (EDTA) on the exchange of manganese ions on calcium-montmorillonite. I. Reaction scheme and Ca-montmorillonite/Na2EDTA system. Coll. Surf. 136 297-308. [Pg.79]

The sorption of calcium ions is as expected at low pH values, the calcium ions, present as Ca2+, sorb, as in the absence of a complex-forming agent the quantity of the sorbed calcium increases when the pH increases. At pH values where negative Ca-EDTA complexes are already formed and the concentration of hydrated Ca2+ ions decreases, the sorption of calcium on the surface of montmorillonite also decreases. [Pg.131]

See other pages where EDTA Ca-montmorillonite is mentioned: [Pg.122]    [Pg.122]    [Pg.163]   
See also in sourсe #XX -- [ Pg.122 , Pg.123 , Pg.124 , Pg.125 ]



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