PPT Slide
Clay mineralogy
Primary and secondary minerals
Genesis of silicate clays
Sources of negative charge on clay minerals
Exchangeable cations:
Cation Exchange Capacity (CEC):
The mole
Cation Exchange Capacity
Soil CEC = 50 cmol (+)/kg
Determination of Cation Exchange Capacity
Cation-Exchange Capacities
Types of Silicate Clays
Cation exchange
Base Saturation
Buffering Capacity
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