RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: C96
SCM Type: NE - Non-electrostatic
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe-OH
Equation: »Fe-OH + UO2<2+> + H2O  ⇔  »Fe-O-UO2(OH) + 2 H<1+>
LogK: -6.2 ± 0.3         LogK°I=0 (Conversion to I = 0):   -6.20         LogK2.31 nm−2 (SSD-normalized):   -0.76
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Solid/Liquid Ratio: 0.075 g/L
pH Range: 2-10
Ligand Concentration Range: 5E-5 mol/L
Fit Method:
Comment: IS = 0.01 -1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic): -6.4/-6.3 (0.01M), -6.5/-6.3 (0.1M); -6.0/-5.9 (1M); closed atmosphere
 
1 data sets were retrieved