Mineral: |
Kaolinite |
Reference: |
AJW98 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Co<2+>
- cobalt(II)
|
Site Type: |
»Al-OH |
Equation: |
2 »Al-OH + Co<2+> ⇔ (»Al-O)2-Co + 2 H<1+> |
LogK: |
-5.41 LogK°I=0 (Conversion to I = 0): -5.34
LogK2.31 nm−2 (SSD-normalized): -8.62
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.005 mol/L
KNO3
|
Temperature: |
343.15 K |
Solid/Liquid Ratio: |
6.38 g/L |
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; other logK for 10, 25, 40, 55°C; solid concentration 94m^2/L=6.38g/L |
|