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(w)-OH
Equation: »Fe(w)-O2H + UO2<2+> + H2O  ⇔  »Fe(w)-O2UO2(OH) + 2 H<1+>
LogK: -3.13        LogK°I=0 (Conversion to I = 0):   -3.13         LogK2.31 nm−2 (SSD-normalized):   1.51
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaNO3
Solid/Liquid Ratio: 0.82 g/L
Ligand Concentration Range: 1E-6 mol/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 II: release of two protons, other complex =Fe(s)O2UO2OH
 
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