Mineral: |
Kaolinite |
Reference: |
AJW97 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Cd<2+>
- cadmium
|
Site Type: |
»Al-OH |
Equation: |
2 »Al-OH + Cd<2+> ⇔ (»Al-O)2-Cd + 2 H<1+> |
LogK: |
-7.75 LogK°I=0 (Conversion to I = 0): -7.68
LogK2.31 nm−2 (SSD-normalized): -10.96
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.005 mol/L
KNO3
|
Temperature: |
298.15 K |
pH Range: |
3.5-9 |
Ligand Concentration Range: |
5E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
hydroxyl sites SOH probably aluminol groups at crystal edges; inner sphere complex; logK cited in [AJW98] as -7.85; lother logK for 10, 40, 55, 70°C in [AJW98] |
|