RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Magnetite
Reference: WUPG15
SCM Type: DDL - Diffuse Double Layer
Ligand: U<4+> - uranium(IV)
Site Type: »Fe-OH
Equation: »Fe-OH + U<4+> + 3 H2O  ⇔  »Fe-O-U(OH)3 + 4 H<1+>
LogK: -4.61        LogK°I=0 (Conversion to I = 0):   -4.07         LogK2.31 nm−2 (SSD-normalized):   -3.67
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaCl
Temperature: 294.0 K
Solid/Liquid Ratio: 2.0 g/L
pH Range: 2-7
Ligand Concentration Range: 1E-8 and 1E-6 mol/L
Fit Method: MINEQL
Comment: Intrinsic equilibrium constants normalized to a standard site density (10 sites/nm²) and specific surface area (10 m²/g); wrong reaction equation given in the article
 
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