RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Smectite
Reference: KB09
SCM Type: DDL - Diffuse Double Layer
Ligand: UO2<2+> - uranyl(VI)
Site Type: »Si-OH
Equation: »SiOH + 3 UO2<2+> + 5 H2O  ⇔  »SiO-(UO2)3(OH)5 + 6 H<1+>
LogK: -11.87
Experiment: Batch Sorption Experiments
Ionic Strength: NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 2.0 g/L
pH Range: 2-10
Fit Method: FITEQL
Comment: U(VI) conc. = 1 mg/L; ionic stength 0.001 to 0.1 M; effective edge site surface area assumed to be 15 % of total N2-BET surface area; purified Na-Smectite
 
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