RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: BB05a
SCM Type: NE - Non-electrostatic
Ligand: UO2<2+> - uranyl(VI)
Site Type: »X(w)-OH
Equation: »X(w)-OH + UO2<2+>  ⇔  »X(w)-O-UO2<1+> + H<1+>
LogK: 0.7        LogK°I=0 (Conversion to I = 0):   1.02
Experiment: Sorption Isotherms
Ionic Strength: 0.1 mol/L NaClO4
Solid/Liquid Ratio: 1.2 g/L
Fit Method: MINSORB
Comment: Na-montmorillonite, MINSORB code (2-site protolysis); unpublished data of Bradbury and Baeyens
 
1 data sets were retrieved