Electric double layer and electrokinetic potential of pectic macromolecules in sugar beet
2008
Kuljanin, T.A. | Levic, Lj.B. | Misljenovic, N.M. | Koprivica, G.B., University of Novi Sad, Novi Sad (Serbia). Faculty of Technology
The concentration of aqueous pectin solutions was not found to influence the electrokinetic potential of pectin. Electrokinetic potential of pectin macromolecules changes proportionally to the quantity of Cu++ ions added in the form of aqueous CuSO4 solution. The Gouy-Chapman-Stern-Graham model of electric double layer was experimentally proven in sugar beet pectins. The increased concentrations of coagulant CuSO4 reduced the negative potential, whereas concentrations over 100 mg/cubic dm caused charge invasion of pectin macromolecules.
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