Mineral: |
Hematite |
Reference: |
MMRRE21 |
SCM Type: |
TL - Triple Layer |
Ligand: |
Sb(OH)6<1->
- hydroxoantimonate(V)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Sb(OH)6<1-> ⇔ »Fe-O-Sb(OH)5<1-> + H2O |
LogK: |
2.42 ± 0.53
LogK°I=0 (Conversion to I = 0): 2.46
LogK2.31 nm−2 (SSD-normalized): 3.36
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
KCl
|
Temperature: |
298.0 K |
Solid/Liquid Ratio: |
2.0 g/L |
pH Range: |
4 - 11 |
Ligand Concentration Range: |
8.21E-6 mol/L |
Fit Method: |
FITEQL |
Comment: |
Model II (formation of the inner-sphere complex ≡FeOSb(OH)5- and the outer-sphere complex ≡FeOH2+̶ Sb(OH)6-) |
|