ELECTROKINETIC CHARACTERISTICS OF CALCINED KAOLINITE IN AQUEOUS ELECTROLYTIC SOLUTIONS
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In this work, the electrokinetic characteristics of calcined kaolinite in aqueous solutions has been studied in the presence of the electrolytes of NaCl , KCl , NH 4 Cl , NaNO 3, MgCl 2, CaCl 2 and AlCl 3, through electrophoretic measurement. The experimental results have shown that the zeta potential was closely dependent on the valence and concentration of the electrolytic cations, but not on the type of the cations. The higher the valence and the concentration were, the stronger the impact to the zeta potential was. Al 3+ could reverse the potential sign from negative to positive. In addition, it was found that the monovalent anions of Cl - and [Formula: see text] made a big difference to the zeta potential at the same dosage.
2009 ◽
Vol 16
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pp. 65-71
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2004 ◽
Vol 20
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pp. 256-280
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2011 ◽
Vol 332-334
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pp. 27-30
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2013 ◽
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2016 ◽
Vol 28
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pp. 1614-1626
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