RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: GGSC98
SCM Type: CC - Constant Capacitance
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe(s)-OH
Equation: »Fe(s)-O2H + UO2<2+> + H2O  ⇔  »Fe(s)-O2UO2(OH) + 2 H<1+>
LogK: -0.044        LogK°I=0 (Conversion to I = 0):   -0.04         LogK2.31 nm−2 (SSD-normalized):   2.95
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
Solid/Liquid Ratio: 0.82 g/L
Fit Method: GRFIT
Comment: manuscript of the paper in [G98], experimental ionic strength 0.01M; [H2CO3]total=16.4µM, [H4SiO4]total=0.76mM; model I and II: release of two protons
 
1 data sets were retrieved