Mineral: |
Hematite |
Reference: |
DLF06 |
SCM Type: |
CC - Constant Capacitance |
Ligand: |
SeO3<2->
- selenite
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + SeO3<2-> + 2 H<1+> ⇔ (»Fe-O)2-SeO + 2 H2O |
LogK: |
30.4 LogK°I=0 (Conversion to I = 0): 30.67
LogK2.31 nm−2 (SSD-normalized): 32.27
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.01 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
16.0 g/L |
pH Range: |
3-12 |
Ligand Concentration Range: |
2E-5 mol/L |
Fit Method: |
FITEQL |
Comment: |
2pK/Constant Capacitance electrostatic model (CCM); surface complexation constants were obtained from the best values of weighted sum of squares divided by degrees of freedom (WSOS/DF) |
|