Mineral: |
Illite |
Reference: |
GE07 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Ni<2+>
- nickel
|
Site Type: |
»X-Na |
Equation: |
2 »X-Na + Ni<2+> ⇔ (»X<1->)2-Ni<2+> + 2 Na<1+> |
LogK: |
3.81 LogK°I=0 (Conversion to I = 0): 3.99
LogK2.31 nm−2 (SSD-normalized): 12.99
|
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 + Ni<2+> = =X2Ni + 2H<1+>: logK=0.67, results with the protolysis parameter of =XNa (1.57) in logK=0.67 + (2*1.57)=3.81 |
|