RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: BB05a
SCM Type: NE - Non-electrostatic
Ligand: Zn<2+> - zinc
Site Type: »X(s)-OH
Equation: »X(s)-OH + Zn<2+> + H2O  ⇔  »X(s)-O-Zn(OH) + 2 H<1+>
LogK: -7.4        LogK°I=0 (Conversion to I = 0):   -7.25
Experiment: Batch Sorption Experiments
Ionic Strength: 0.033 mol/L Ca(NO3)2
Solid/Liquid Ratio: 1.33 g/L
pH Range: 3-10.5
Ligand Concentration Range: ~1E-6 mol/L
Fit Method: MINSORB
Comment: Ca-montmorillonite, MINSORB code (2-site protolysis no electrostatics surface complexation and cation exchange model developed and incorporated into MINEQL); recalculation of sorption data [BB99a] without competitive sorption effects and with other hydrolysis constants
 
1 data sets were retrieved