RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: VTL01
SCM Type: TL - Triple Layer
Ligand: Pb<2+> - lead
Site Type: »Fe-OH
Equation: 2 »Fe-OH + Pb<2+> + CO3<2->  ⇔  (»Fe-O)2-HPbCO3<1-> + H<1+>
LogK: 6.22        LogK°I=0 (Conversion to I = 0):   6.97         LogK2.31 nm−2 (SSD-normalized):   8.09
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaNO3
Solid/Liquid Ratio: 4.8 g/L
pH Range: 3-7
Ligand Concentration Range: 4.8E-4 mol/L
Fit Method: FITEQL
Comment: 400µatm CO2; sorption was unaffected upon equilibration with up to 1% CO2; binuclear configuration
 
1 data sets were retrieved