Mineral: |
Goethite |
Reference: |
DH03 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
AsO3<3->
- arsenite
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + AsO3<3-> + 2 H<1+> ⇔ »FeHAsO3<1-> + H2O |
LogK: |
32.4 LogK°I=0 (Conversion to I = 0): 32.40
LogK2.31 nm−2 (SSD-normalized): 33.34
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Temperature: |
296.15 K |
Solid/Liquid Ratio: |
0.5 g/L |
pH Range: |
4-10 |
Ligand Concentration Range: |
1E-5 - 1E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
As/Fe ratio 2E-3 - 1.8E-2; experiments in 0.01M NaClO4; also sorption isotherm at pH=8+-0.2; temperature 23+-0.4°C |
|