Mineral: |
Hematite |
Reference: |
ZB04a |
SCM Type: |
NE - Non-electrostatic |
Ligand: |
Am<3+>
- americium
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Am<3+> ⇔ »Fe-O-Am<2+> + H<1+> |
LogK: |
1.24 ± 0.43
LogK2.31 nm−2 (SSD-normalized): 2.18
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
NaClO4
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
0.025 g/L |
pH Range: |
2-10 |
Ligand Concentration Range: |
8E-09. 1.5E-09 mol/L |
Fit Method: |
FITEQL |
Comment: |
average non-electrostatic SC constant of 11 sets of batch sorption experiments on hematite from [C96]; 2 sources of hematite: commercial (SSA = 19 m²/g) and laboratory-synthesized (SSA = 8 m²/g); standard deviation relate to the differences in fitted logK constants from the various batch sorption data sets; IS ranges from 0.001 to 1 M; under relatively constant carbonate alkalinity (~5E-5 mol/L HCO3<1->) |
|