Mineral: |
Goethite |
Reference: |
CRCO08 |
SCM Type: |
TL - Triple Layer |
Ligand: |
Na<1+>
- sodium
|
Site Type: |
»Fe-OH |
Equation: |
»Fe-OH + Na<1+> ⇔ »Fe-O-Na + H<1+> |
LogK: |
-3.1 LogK°I=0 (Conversion to I = 0): -3.10
LogK2.31 nm−2 (SSD-normalized): -2.16
|
Experiment: |
Batch Sorption Experiments |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.13 K |
Solid/Liquid Ratio: |
10.0 g/L |
pH Range: |
4-10 |
Ligand Concentration Range: |
0.1 mol/L |
Fit Method: |
FITEQL |
Comment: |
calulated value equ. 1 according [S05] 1. »Fe-O<1-> + Na<1+> = »Fe-O-Na logK = 3.3 2. »Fe-OH = »Fe-O<1-> + H<1+> pK2 = -logK = 6.4 3. sum »Fe-OH + Na<1+> = »Fe-O-Na + H<1+> logK= 3.5 - 6.4 = -3.1 |
|