Mineral: |
Ferrihydrite |
Reference: |
HPL88 |
SCM Type: |
TL - Triple Layer |
Ligand: |
SeO4<2->
- selenate
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + SeO4<2-> + H<1+> ⇔ »Fe-SeO4<1-> + H2O |
LogK: |
7.7 LogK°I=0 (Conversion to I = 0): 7.70
LogK2.31 nm−2 (SSD-normalized): 8.64
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaNO3
|
Solid/Liquid Ratio: |
0.09 g/L |
pH Range: |
4-9 |
Ligand Concentration Range: |
1E-4 mol/L |
Fit Method: |
graphic extrapolation |
Comment: |
inner-spheric surface complex not suitable for the moddeling of SeO4<2-> onto ferrihydrite (HFO). Not to be used in combination with the outer-spheric sufrace complexes »Fe-OH2-SeO4<1-> and »Fe-OH2-HSeO4<->.
See original reference! |
|