Determination of cation exchange capacity of ryegrass roots by summing exchangeable cations

1989 ◽  
Vol 116 (2) ◽  
pp. 217-222 ◽  
Author(s):  
Z. Rengel ◽  
D. L. Robinson
Keyword(s):  
Cation Exchange ◽  
Cation Exchange Capacity ◽  
Exchange Capacity ◽  
Exchangeable Cations

scholarly journals A comparison between three methods for the determination of cation exchange capacity and exchangeable cations in soils

Agronomie ◽  
1997 ◽  
Vol 17 (1) ◽  
pp. 9-16 ◽  
Author(s):  
H. Ciesielski ◽  
T. Sterckeman ◽  
M. Santerne ◽  
J. P. Willery
Keyword(s):  
Cation Exchange ◽  
Cation Exchange Capacity ◽  
Exchange Capacity ◽  
Exchangeable Cations

THE DETERMINATION OF EXCHANGEABLE CATIONS AND CATION-EXCHANGE CAPACITY OF SOILS USING DILUTE NICKEL CHLORIDE

1964 ◽  
Vol 44 (3) ◽  
pp. 360-365
Author(s):  
Joseph Baker ◽  
W. T. Burns
Keyword(s):  
Organic Matter ◽  
Cation Exchange ◽  
Cation Exchange Capacity ◽  
Extraction Method ◽  
Ammonium Acetate ◽  
Nickel Chloride ◽  
Exchange Capacity ◽  
Exchangeable Cations ◽  
Silicate Clay

The use of nickel as a displacing ion in the determination of exchangeable cations and cation-exchange capacity was evaluated using several British Columbia soils. The values for exchangeable cations and cation-exchange capacity for the soils examined, using 0.25 normal neutral nickel chloride, were higher than those obtained by the ammonium acetate extraction method. For the most part, in samples examined, values were found to be more readily and consistently reproduced with the nickel chloride extractant. Dispersion of soil organic matter and silicate clay minerals was negligible, and the washing step involving ethanol has been eliminated.

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