Mineral: |
Illite |
Reference: |
GE07 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Cd<2+>
- cadmium
|
Site Type: |
»X-Na |
Equation: |
2 »X-Na + Cd<2+> ⇔ (»X<1->)2-Cd<2+> + 2 Na<1+> |
LogK: |
3.96 LogK°I=0 (Conversion to I = 0): 4.14
LogK2.31 nm−2 (SSD-normalized): 13.14
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
2.97 g/L |
pH Range: |
3-9 |
Ligand Concentration Range: |
4.96E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
ion exchange on the surface site; given equation: 2 =XH + Cd<2+> = =X2Cd + 2H<1+>: logK=0.82, results with the protolysis parameter of =XNa (1.57) in logK=0.82 + (2*1.57)=3.96 |
|