Mineral: |
Montmorillonite |
Reference: |
WDHCR16 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Cd<2+>
- cadmium
|
Site Type: |
»Al-OH |
Equation: |
»Al-OH + Cd<2+> ⇔ »Al-O-Cd<1+> + H<1+> |
LogK: |
-1.68 ± 0.005
LogK°I=0 (Conversion to I = 0): -1.55
LogK2.31 nm−2 (SSD-normalized): -0.19
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.01 mol/L
NaNO3
|
Temperature: |
301.15 K |
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
3 - 8 |
Ligand Concentration Range: |
8.9E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
also ion exchange reaction: 2X<1-> + Cd<2+> = X2Cd with log K = 8.30 ± 0.04 |
|