Mineral: |
Kaolinite |
Reference: |
SSA05 |
SCM Type: |
ECC - Extended Constant Capacitance |
Ligand: |
Pb<2+>
- lead
|
Site Type: |
»X-OH |
Equation: |
»X-OH + Pb<2+> + H2O ⇔ »X-O-Pb(OH) + 2 H<1+> |
LogK: |
-16.36 LogK°I=0 (Conversion to I = 0): -16.27
LogK2.31 nm−2 (SSD-normalized): -16.77
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaNO3
|
Temperature: |
295.0 K |
Solid/Liquid Ratio: |
6.69 g/L |
pH Range: |
3.5-10 |
Ligand Concentration Range: |
1.33E-4 mol/L |
Fit Method: |
GRFIT |
Comment: |
original equation in the study: >SOH + PbOH+ = >SOPb(OH) + H+ with log K = -8.65, hydrolysis reaction from [BM76]; only valid in combination with ion exchange reaction: 2>XNa + Pb2+ = >X2Pb + 2Na+ with log K = 4.28 |
|