Mineral: |
Ferrihydrite |
Reference: |
GB07 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
AsO4<3->
- arsenate
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + AsO4<3-> + H<1+> ⇔ »Fe-AsO4<2-> + H2O |
LogK: |
20.29 ± 0.026
LogK°I=0 (Conversion to I = 0): 21.36
LogK2.31 nm−2 (SSD-normalized): 21.23
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
0.089 g/L |
pH Range: |
3.5 - 12 |
Ligand Concentration Range: |
1.07E-4 mol/L |
Fit Method: |
FITEQL |
Comment: |
data set from [SW99] used for the optimization of As adsorption constants |
|