Mineral: |
Hematite |
Reference: |
BCEK12 |
SCM Type: |
1pK-TP - 1pK-Three-Plane |
Ligand: |
AsO4<3->
- arsenate
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH<0.5-> + AsO4<3-> + 2 H<1+> ⇔ (»Fe-O)2-AsO2<2-> + 2 H2O |
LogK: |
28.22 LogK°I=0 (Conversion to I = 0): 28.71
LogK2.31 nm−2 (SSD-normalized): 30.09
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaCl
|
Temperature: |
298.15 K |
pH Range: |
3 - 7.5 |
Ligand Concentration Range: |
3E-6 - 3E-4 mol/L |
Fit Method: |
ECOSAT + FIT |
Comment: |
S/L ratio: 0.04 - 1 g/L;
CO2 partial pressures: 0.39, 10, 100 hPa |
|