RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: MBDSB12
SCM Type: NE - Non-electrostatic
Ligand: UO2<2+> - uranyl(VI)
Site Type: »X(w)-OH
Equation: »X(w)-OH + UO2<2+> + H2O  ⇔  »X(w)-O-UO2(OH) + 2 H<1+>
LogK: -5.7        LogK°I=0 (Conversion to I = 0):   -5.49
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaClO4
Temperature: 298.15 K
Solid/Liquid Ratio: 0.9 g/L
pH Range: 2.7-9.5
Ligand Concentration Range: 9E-08 mol/L
Fit Method: MINSORB
Comment: 2 SPNE SC/CE model was used; SSD and pK values from [BB97b]
 
1 data sets were retrieved