Mineral: |
Illite |
Reference: |
GE07 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Ni<2+>
- nickel
|
Site Type: |
»X-Na |
Equation: |
»X-Na + Ni<2+> + H2O ⇔ »X-Ni(OH) + 2 Na<1+> |
LogK: |
-4.56 LogK°I=0 (Conversion to I = 0): -4.13
LogK2.31 nm−2 (SSD-normalized): 0.03
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 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: =XH + Ni<2+>+ H2O = =XNiOH + 2H<1+>: logK=-6.14, results with the protolysis parameter of =XNa (1.58) in logK=-6.14 + 1.58=-4.56; no value for 0.001 M |
|