Mineral: |
Ferrihydrite |
Reference: |
TG16 |
SCM Type: |
CDM - (CD-)MUSIC |
Ligand: |
AsO4<3->
- arsenate
|
Site Type: |
»Fe-singly |
Equation: |
2 »Fe-OH<0.5-> + AsO4<3-> + 3 H<1+> ⇔ »Fe2-O2-AsOOH<1-> + 2 H2O |
LogK: |
32.42 LogK°I=0 (Conversion to I = 0): 32.96
LogK2.31 nm−2 (SSD-normalized): 32.57
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaNO3
|
Temperature: |
294.15 K |
pH Range: |
4 - 8 |
Ligand Concentration Range: |
6E-5; 6E-4 mol/L |
Fit Method: |
MINTEQ |
Comment: |
3 mmol/L ferrihydrite and 0.3 mmol/L ferrihydrite;
arsenate surface complexation constants by Gustafsson (unpublished)
|
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