RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: amorphous Silica
Reference: WAT01b
SCM Type: DDL - Diffuse Double Layer
Ligand: NpO2<1+> - neptunyl(V)
Site Type: »Si-OH
Equation: »Si-OH + NpO2<1+> + H2O  ⇔  »Si-O-NpO2(OH)<1-> + 2 H<1+>
LogK: -12.54 ± 0.03         LogK°I=0 (Conversion to I = 0):   -12.65
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaClO4
Solid/Liquid Ratio: 1.2 g/L
Ligand Concentration Range: 1E-14 mol/L
Fit Method: FITEQL
Comment: experimental data from batch sorption experiments [RBAB91]; no CO2
 
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