RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: BB97b
SCM Type: DDL - Diffuse Double Layer
Ligand: Zn<2+> - zinc
Site Type: »X(s)-OH
Equation: »X(s)-OH + Zn<2+>  ⇔  »X(s)-O-Zn<1+> + H<1+>
LogK: 2.5 ± 0.15         LogK°I=0 (Conversion to I = 0):   2.82
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaClO4
Solid/Liquid Ratio: 1.2 g/L
pH Range: 2.5-11
Fit Method: MINSORB
Comment: Na-montmorillonite, best fit to the rising edge; sorption predominantly occuring on strong sites
 
1 data sets were retrieved