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+> + 4 H2O  ⇔  »Fe-OH-UO2(OH)4<2-> + 4 H<1+>
LogK: -22.5 ± 0.2         LogK°I=0 (Conversion to I = 0):   -22.50         LogK2.31 nm−2 (SSD-normalized):   -17.06
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-7 mol/L
Fit Method:
Comment: IS = 0.01 -1 M, calculation for IS=0; mean value of logK; other logK (apparent/intrinsic): -22.3/-22.5 (0.01M), -22.6/-22.5 (0.1M, 1M); closed atmosphere
 
1 data sets were retrieved