Mineral: |
Montmorillonite |
Reference: |
SIT21 |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Ni<2+>
- nickel
|
Site Type: |
»X(s)-OH |
Equation: |
»X(s)-OH + Ni<2+> ⇔ »X(s)-O-Ni<1+> + H<1+> |
LogK: |
-0.9 LogK°I=0 (Conversion to I = 0): -0.90
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
|
Solid/Liquid Ratio: |
8.8 g/L |
pH Range: |
6.4 - 11.8 |
Ligand Concentration Range: |
7.7E-8 mol/L |
Fit Method: |
PHREEQC |
Comment: |
cation exchange and surface complexation combined
(2XNa + Ni2+ = X2Ni + 2Na+ with log K = 0.5 (I ≤ 0.1 M), log K = 1.0 (I = 0.5 M)) |
|