RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: SS93a
SCM Type: CC - Constant Capacitance
Ligand: Cu<2+> - copper
Site Type: »Al-OH
Equation: »Al-OH + Cu<2+>  ⇔  »Al-OH-Cu<2+>
LogK: 5.87 ± 0.06         LogK°I=0 (Conversion to I = 0):   6.30         LogK2.31 nm−2 (SSD-normalized):   4.48
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L Ca(ClO4)2
pH Range: 3-8
Fit Method: FITEQL
Comment: adsorption of Cu by ion-exchange in the interlayers of montmorillonite in the range of 34
 
1 data sets were retrieved