RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

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
 
1 data sets were retrieved