RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Kaolinite
Reference: WAT01b
SCM Type: DDL - Diffuse Double Layer
Ligand: NpO2<1+> - neptunyl(V)
Site Type: »Si-OH
Equation: »Si-OH + NpO2<1+>  ⇔  »Si-OH-NpO2<1+>
LogK: 4.09 ± 0.03         LogK°I=0 (Conversion to I = 0):   4.20
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaClO4
Solid/Liquid Ratio: 5.0 g/L
pH Range: 4-10
Ligand Concentration Range: 7E-6 mol/L
Fit Method: FITEQL
Comment: experimental data from batch sorption experiments [NSOSN97]; Si/Al=1; no CO2
 
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