Mineral: |
Ferrihydrite |
Reference: |
GB07 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
AsO4<3->
- arsenate
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + AsO4<3-> + 2 H<1+> ⇔ »Fe-HAsO4<1-> + H2O |
LogK: |
25.26 ± 0.14
LogK°I=0 (Conversion to I = 0): 26.44
LogK2.31 nm−2 (SSD-normalized): 26.20
|
Ionic Strength: |
0.1 mol/L
NaCl
|
Solid/Liquid Ratio: |
2.0 g/L |
pH Range: |
3 - 11 |
Ligand Concentration Range: |
1.6E-3 mol/L |
Fit Method: |
FITEQL |
Comment: |
adsorption envelopes; data set from [RJL98] used for the optimization of As adsorption constants |
|