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: UO2<2+> - uranyl(VI)
Site Type: »Fe-OH
Equation: 2 »Fe-OH + UO2<2+> + 2 CO3<2->  ⇔  (»Fe-O)2-UO2(CO3)2<4-> + 2 H<1+>
LogK: 10.57        LogK°I=0 (Conversion to I = 0):   11.64         LogK2.31 nm−2 (SSD-normalized):   12.44
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaClO4
Solid/Liquid Ratio: 1.0 g/L
pH Range: 3.5-9.5
Ligand Concentration Range: 1E-6 mol/L
Fit Method: FITEQL
Comment: experimental data from [KHL94], 20 and 0.32 matm CO2
 
1 data sets were retrieved