Mineral: |
Kaolinite |
Reference: |
SNKTO19 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Cd<2+>
- cadmium
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Cd<2+> ⇔ »X-O-Cd<1+> + H<1+> |
LogK: |
-4.4 LogK°I=0 (Conversion to I = 0): -4.40
LogK2.31 nm−2 (SSD-normalized): -0.20
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaNO3
|
pH Range: |
3 - 9 |
Ligand Concentration Range: |
2E-4 mol/L |
Fit Method: |
MINEQL |
Comment: |
kaolinite dosage: 15 and 75 m²/ 30 mL;
»X<1-> * H<1+> + Na<1+> = »X<1-> * Na1+> + H<1+> with log K = -2.9;
2»X<1-> * H<1+> + Cd<2+> = »X2<2-> * Cd<2+> + 2H<1+> with log K = -2.6 (Average value of 12 experimental conditions shown in Fig. 2. See Fig. 2 for the value for each condition) |
|