RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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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: -2.85        LogK°I=0 (Conversion to I = 0):   -2.76         LogK2.31 nm−2 (SSD-normalized):   -4.78
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaNO3
Temperature: 298.15 K
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: 30 nm aerosol-synthesized hematite; strong sites were set at 5 % of the total
 
1 data sets were retrieved