Mineral: |
Kaolinite |
Reference: |
LKLSD09 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
Co<2+>
- cobalt(II)
|
Site Type: |
»X-OH |
Equation: |
2 »X-OH + Co<2+> ⇔ (»X-O)2-Co + 2 H<1+> |
LogK: |
-7.9
LogK2.31 nm−2 (SSD-normalized): -8.28
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaNO3
|
Temperature: |
298.0 K |
Solid/Liquid Ratio: |
5.0 g/L |
pH Range: |
2-10 |
Ligand Concentration Range: |
1E-4 - 1E-6 mol/L |
Fit Method: |
FITEQL |
Comment: |
KGa-1b Kaolinite, bidentate variable charge + ion exchange site: X(Na) + H<1+> = X(H) + Na<1+> with log K = 2.5, 2X(Na) + Co<2+> = X2(Co) + 2Na<1+> with log K = 3.9 |
|