RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: RK14
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe-OH
Equation: »Fe-OH + UO2<2+>  ⇔  »Fe-O-UO2<1+> + H<1+>
LogK: 3.39 ± 0.03         LogK°I=0 (Conversion to I = 0):   3.71         LogK2.31 nm−2 (SSD-normalized):   4.33
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaClO4
Temperature: 298.15 K
Solid/Liquid Ratio: 0.3 g/L
pH Range: 1-7
Ligand Concentration Range: 7.9 × 10^−8 mol/L
Fit Method: FITEQL
Comment: wrong reaction equation in original reference: ≡FeOH + UO2^2+ + H2O = ≡FeOUO2^+ + H^+, LogK = 3.39 ± 0.03
 
1 data sets were retrieved