Mineral: |
Goethite |
Reference: |
BPS00d |
SCM Type: |
CDM - (CD-)MUSIC |
Ligand: |
phthal<2->
- o-phthalate
|
Site Type: |
»Fe-singly |
Equation: |
2 »Fe-singly-OH<-0.5> + phthal<2-> + 2 H<1+> ⇔ (»Fe-singly)2-phthal<1-> + 2 H2O |
LogK: |
14.69 ± 0.05
LogK°I=0 (Conversion to I = 0): 15.33
LogK2.31 nm−2 (SSD-normalized): 14.84
|
Experiment: |
Potentiometric Titration |
Ionic Strength: |
0.1 mol/L
NaNO3
|
Temperature: |
298.15 K |
Solid/Liquid Ratio: |
5.0 g/L |
pH Range: |
3-9 |
Ligand Concentration Range: |
2.24E-3. 3.36E-3. 6.71E-3 mol/L |
Fit Method: |
FITEQL |
Comment: |
{001} plane; equation 2H<+> + 2[=FeOH<-0.5>]{001} + phthal<2-> = [(=Fe2)2phthal<1->]{001}; for adsorption experiments: C1=3.00 F/m^2, C2=1.62 F/m^2 |
|