Dependence of Zeta Potential and Soil Hydraulic Conductivity on Adsorbed Cation and Aqueous Phase Properties
Mehmet Aydin*,a,
Tomohisa Yanob and
Seref Kilica
a Faculty of Agriculture, Dep. of Soil Science, Mustafa Kemal Univ., Antakya, 31040 Turkey
b Arid Land Research Center, Tottori Univ, 1390 Hamasaka, Tottori, 680-0001 Japan

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Fig. 1. Schematic diagram of electrophoresis apparatus (U-tube).
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Fig. 2. Variation of electrophoretic mobility (EM) and corresponding zeta potential ( p ) of Ariake soil (AS) and Kzyl-Orda soil (KS) clays as a function of Na percentage (the complementary ion was Ca).
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Fig. 3. Effect of pH on electrophoretic mobility (EM) and corresponding zeta potential ( p) of Ariake soil (AS) and Kzyl-Orda soil (KS) clay particles in 0.01 M NaCl-treated suspensions.
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Fig. 4. Electrophoretic mobility (EM) and corresponding zeta potential ( p) of Ariake soil (AS) and Kzyl-Orda soil (KS) clays versus electrolyte concentration of NaCl.
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Fig. 5. Hydraulic conductivity versus exchangeable sodium percentage for Ariake (AS) and Kzyl-Orda (KS) clay/sand mixtures (distilled water was applied to columns).
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Fig. 6. Hydraulic conductivity as a function of pH for Ariake (AS) and Kzyl-Orda (KS) Na-clay/sand mixtures under 0.01 M NaCl solution.
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Fig. 7. Hydraulic conductivity versus electrolyte concentration of NaCl for Ariake (AS) and Kzyl-Orda (KS) clay/sand mixtures at exchangeable sodium percentage 100.
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Fig. 8. Relationship between zeta potential ( p ) of clay particles and hydraulic conductivity of clay/sand mixtures for Ariake (AS) and Kzyl-Orda (KS) samples.
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Copyright © 2004 by the Soil Science Society of America.