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Adsorption and Desorption of Indifferent Ions in Variable Charge Subsoils

The Possible Effect of Particle Interactions on the Counter-Ion Charge Density

Dep. of Crop and Soil Sciences, Univ. of Georgia, Athens, GA 30602

View larger version (19K): [in a new window]   Fig. 1. Changes in leachate pH, electrical conductivity (EC), and Cs and Cl concentrations during leaching with 0.5 mmol L-1 CsCl solution (Cecil subsoil).

View larger version (20K): [in a new window]   Fig. 2. Changes in leachate pH, electrical conductivity (EC), and Cs and Cl concentrations during leaching with 0.5 mmol L-1 CsCl solution (Faceville subsoil).

View larger version (18K): [in a new window]   Fig. 3. Changes in the concentration of cations in leachate during leaching with 0.5 mmol L-1 CsCl solution (Cecil subsoil).

View larger version (22K): [in a new window]   Fig. 4. Changes in the concentration of anions in leachate during leaching with 0.5 mmol L-1 CsCl solution (Cecil subsoil).

View larger version (19K): [in a new window]   Fig. 5. Cs and Li breakthrough curves in the Cecil subsoil leached with 30 mmol-1 CsCl and LiNO3 solutions followed by distilled water.

View larger version (60K): [in a new window]   Fig. 6. The mechanism of indifferent ion adsorption and desorption as a function of ionic strength in the soil solution of variable charge subsoils.