Mineral: |
Ferrihydrite |
Reference: |
GB07 |
SCM Type: |
CDM - (CD-)MUSIC |
Ligand: |
AsO4<3->
- arsenate
|
Site Type: |
»Fe-singly |
Equation: |
2 »Fe-OH<0.5-> + AsO4<3-> + 2 H<1+> ⇔ »Fe2-O2-AsO2<2-> + 2 H2O |
LogK: |
27.7 ± 0.029
LogK°I=0 (Conversion to I = 0): 28.19
LogK2.31 nm−2 (SSD-normalized): 27.85
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaClO4
|
Temperature: |
296.15 K |
Solid/Liquid Ratio: |
0.03 g/L |
pH Range: |
3.5 - 10.5 |
Ligand Concentration Range: |
5E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
data set from [DH03] used for the optimization of As adsorption constants |
|