RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Alumina
Reference: H17
SCM Type: NE - Non-electrostatic
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Al(w)-OH
Equation: »Al(w)-OH + UO2<2+> + Na<+> + 2 CO3<2->  ⇔  »Al(w)-O-Na-UO2(CO3)2<2-> + H<1+>
LogK: 16.6576        LogK°I=0 (Conversion to I = 0):   16.66         LogK2.31 nm−2 (SSD-normalized):   16.77
Experiment: Batch Sorption Experiments
Ionic Strength: 0.0 mol/L NaClO4
Temperature: 294.15 K
Solid/Liquid Ratio: 1.0 g/L
pH Range: 3-11
Ligand Concentration Range: 4E-7 mol/L
Fit Method: CHESS
Comment: Original equation:
>SWOH − 3H+ + UO22+ + 2HCO3− + Na+ ⇌ SWO−Na−UO2(CO3)22−
logK° = -4
 
1 data sets were retrieved