Mineral: |
Goethite |
Reference: |
MS92 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
Pb<2+>
- lead
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + Pb<2+> ⇔ (»Fe-O)2-Pb + 2 H<1+> |
LogK: |
-6.27 LogK°I=0 (Conversion to I = 0): -6.18
LogK2.31 nm−2 (SSD-normalized): 4.83
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
KNO3
|
Solid/Liquid Ratio: |
10.0 g/L |
pH Range: |
3-8 |
Ligand Concentration Range: |
6.83E-4 mol/L |
Fit Method: |
MICROQL |
Comment: |
in the paper the following equation is given: 2»Fe-OOH + Pb<2+> = (»Fe-OO)2-Pb<1+> + 2 H<1+>; logK=-6.27-logA (A: oxide added in kg/dm^3)); average ligand number 1.25 constant at the concentration range of adsorption |
|