RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Corundum
Reference: PPTL94
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Al-OH
Equation: »Al-OH + 2 UO2<2+> + CO3<2-> + 3 H2O  ⇔  »Al-O-(UO2)2CO3(OH)3<2-> + 4 H<1+>
LogK: 12.7        LogK°I=0 (Conversion to I = 0):   13.56         LogK2.31 nm−2 (SSD-normalized):   11.31
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Fit Method:
Comment: site protolysis reference [TS96], (there SSA=12m^2/g!), SSD from [DM90], log K for SSA=0.229 m^2/g (RM8006); in the paper the following complex is specified with a charge of <0>: »Al-O-(UO2)2CO3(OH)3<0>
 
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