Mineral: |
Goethite |
Reference: |
KNT18 |
SCM Type: |
TL - Triple Layer |
Ligand: |
SO4<2->
- sulfate
|
Site Type: |
»Fe-OH |
Equation: |
2 »Fe-OH + SO4<2-> + 2 H<1+> ⇔ (»Fe-OH2<1+>)2_SO4<2-> |
LogK: |
20.5 LogK°I=0 (Conversion to I = 0): 21.14
LogK2.31 nm−2 (SSD-normalized): 22.37
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaClO4
|
Temperature: |
295.15 K |
Solid/Liquid Ratio: |
4.6 g/L |
pH Range: |
4 - 9 |
Ligand Concentration Range: |
5E-4; 1E-3 mol/L |
Fit Method: |
GEOSURF |
Comment: |
extended TLM; values refer to the hypothetical 1 M standard state; bidentate-binuclear outer-sphere surface complex; experimental data obtained from [S79], [SS80] |
|