CATION-EXCHANGE CAPACITY DETERMINATION OF SOILS AS INFLUENCED BY THE CATION SPECIES

Soil Science ◽  
1959 ◽  
Vol 87 (5) ◽  
pp. 243-248 ◽  
Author(s):  
B. L. SAWHNEY ◽  
M. L. JACKSON ◽  
R. B. COREY
Keyword(s):  
Cation Exchange ◽  
Cation Exchange Capacity ◽  
Exchange Capacity ◽  
Capacity Determination

Determination of the Cation Exchange Capacity of Clays by Surface Tension Measurements

Clay Minerals ◽  
1993 ◽  
Vol 28 (3) ◽  
pp. 475-481 ◽  
Author(s):  
G. Burrafato ◽  
F. Miano
Keyword(s):  
Surface Tension ◽  
Cation Exchange ◽  
Clay Minerals ◽  
Cation Exchange Capacity ◽  
Mixing Time ◽  
Aqueous Suspension ◽  
Exchange Capacity ◽  
Drilling Fluids ◽  
Accurate Analysis

AbstractThe cation exchange capacity (CEC) of clay minerals has been determined by titration of aqueous suspension of clays with hexadecylpyridinium chloride, monitored using surface tension measurements. In order to make the method suitable for an accurate analysis of the CEC of the clays in drilling fluids or in soils, some parameters affecting the CEC determination (e.g. the presence of carboxymethylcellulose, mixing time and measurement device) have been investigated.

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