RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: PTBP98
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Al-OH
Equation: »Al-OH + UO2<2+>  ⇔  »Al-O-UO2<1+> + H<1+>
LogK: 2.7        LogK°I=0 (Conversion to I = 0):   3.02         LogK2.31 nm−2 (SSD-normalized):   1.31
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
pH Range: 2-9
Ligand Concentration Range: 2.06E-7 - 2.16E-6 mol/L
Fit Method: FITEQL
Comment: solid/liquid ratio 0.028 - 3.2 g/L; SSD and pK from [PT97]
 
1 data sets were retrieved