RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: amorphous Silica
Reference: SVV03
SCM Type: CC - Constant Capacitance
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Si-OH
Equation: »Si-OH + UO2<2+>  ⇔  »Si-O-UO2<1+> + H<1+>
LogK: -1.92        LogK°I=0 (Conversion to I = 0):   -1.79
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaNO3
Temperature: 301.0 K
Solid/Liquid Ratio: 5.0 g/L
pH Range: 2-9
Ligand Concentration Range: 8.4E-5 mol/L
Fit Method:
Comment: fit by Newton-Raphson's multidimensional non-linear regression method, using a computer code developed by Stamberg et al.; sigma of K=2.80E5 based on reaction XO- + UO22+ = XOUO2+
 
1 data sets were retrieved