RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: IWJA05a
SCM Type: ECC - Extended Constant Capacitance
Ligand: Zn<2+> - zinc
Site Type: »X-OH
Equation: »X-OH + Zn<2+> + H2O  ⇔  »X-O-Zn(OH) + 2 H<1+>
LogK: -11.7        LogK°I=0 (Conversion to I = 0):   -11.55         LogK2.31 nm−2 (SSD-normalized):   -8.11
Experiment: Potentiometric Titration
Ionic Strength: 0.033 mol/L Ca(NO3)2
Temperature: 298.15 K
Solid/Liquid Ratio: 1.19 g/L
pH Range: 4-9.5
Ligand Concentration Range: 1E-4 mol/L
Fit Method: FITEQL
Comment: FITEQL/GRFIT; also sorption isotherms at pH 4.5 and 7.5
 
1 data sets were retrieved