Mineral: |
Hematite |
Reference: |
KHL99 |
SCM Type: |
TL - Triple Layer |
Ligand: |
NpO2<1+>
- neptunyl(V)
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + NpO2<1+> ⇔ »Fe-O-NpO2 + H<1+> |
LogK: |
-2.09 LogK°I=0 (Conversion to I = 0): -2.09
LogK2.31 nm−2 (SSD-normalized): -1.15
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.0 mol/L
NaClO4
|
Solid/Liquid Ratio: |
1.0 g/L |
pH Range: |
4-10 |
Ligand Concentration Range: |
1.2E-7 mol/L |
Fit Method: |
FITEQL |
Comment: |
I = 0.005 - 0.1 M; inner-sphere complex, no ionic strength dependence; good fit was obtained by pooling all the data for different ionic strengths at 1g/L hematite and Np(V)total=1.2E-7M |
|