Mineral: |
Magnetite |
Reference: |
DH03 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
AsO3<3->
- arsenite
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + AsO3<3-> + 3 H<1+> ⇔ »FeH2AsO3 + H2O |
LogK: |
33.02 LogK°I=0 (Conversion to I = 0): 33.02
LogK2.31 nm−2 (SSD-normalized): 33.96
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Temperature: |
296.15 K |
Solid/Liquid Ratio: |
0.5 g/L |
pH Range: |
3.5-10 |
Ligand Concentration Range: |
5E-5 - 1.5E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
As/Fe ratio 8E-3 - 2.3E-2; experiments in 0.01M NaClO4; also sorption isotherm at pH=8+-0.2; temperature 23+-0.4°C; anaerobic conditions |
|