RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Quartz
Reference: PTBP98
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Si-OH
Equation: »Si-OH + 3 UO2<2+> + 5 H2O  ⇔  »Si-O-(UO2)3(OH)5 + 6 H<1+>
LogK: -16.75        LogK°I=0 (Conversion to I = 0):   -16.11
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 293.15 K
pH Range: 2-9
Ligand Concentration Range: 2E-7 - 2E-6 mol/L
Fit Method: FITEQL
Comment: due to steric reasons unrealistic species; temperature 20+-2°C
 
1 data sets were retrieved