Mineral: |
Kaolinite |
Reference: |
HZ94 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Cd<2+>
- cadmium
|
Site Type: |
»X-OH |
Equation: |
2 »X-Na + Cd<2+> ⇔ (»X)2-Cd + 2 Na<1+> |
LogK: |
4.94 LogK°I=0 (Conversion to I = 0): 5.20
LogK2.31 nm−2 (SSD-normalized): 4.12
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.025 mol/L
NaNO3
|
Temperature: |
293.15 K |
pH Range: |
4-10 |
Ligand Concentration Range: |
3.6E-7 mol/L |
Fit Method: |
MINSQ |
Comment: |
ion exchange, seems to be a combination of SCM/ion exchange model; SCM =XOH + Cd2+ = =XO-Cd+ + H+: logK=-4.13; without assumption of ion exchange: logK=4.88 |
|