Mineral: |
Ferrihydrite |
Reference: |
DM90 |
SCM Type: |
DDL - Diffuse Double Layer |
Ligand: |
AsO3<3->
- arsenite
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + AsO3<3-> + 3 H<1+> ⇔ »Fe-H2AsO3 + H2O |
LogK: |
40.11 ± 0.15
LogK2.31 nm−2 (SSD-normalized): 42.10
|
Experiment: |
Mean of Different Sources |
Ionic Strength: |
|
Fit Method: |
Comment: |
original equation in the study: »Fe-OH + H3AsO3 = »Fe-H2AsO3 + H2O, logK = 5.41; formation constant in aqueous solution: H3AsO3 = AsO3<3-> + 3H<1+> with logK = -34,7 (MBK00] |
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