RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: ZSBUS09
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Fe(s)-OH
Equation: »Fe(s)-(OH)2 + UO2<2+>  ⇔  »Fe(s)-O2-UO2 + 2 H<1+>
LogK: -4.05         LogK2.31 nm−2 (SSD-normalized):   -5.02
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
Solid/Liquid Ratio: 1.0 g/L
pH Range: 3-11
Ligand Concentration Range: 1E-6 and 1E-4 mol/L
Fit Method: FITEQL
Comment: SSA = 10 m²/g and SSD = 10 sites/nm² [S03]; modified U(VI) adsorption equilibrium constants corresponding to 5% strong and 95% weak sites; 124.4 nm aerosol-synthesized hematite
 
1 data sets were retrieved