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: Ca<2+> - calcium
Site Type: »X-K
Equation: 2 »X-K + Ca<2+>  ⇔  »X2Ca + K<2+>
LogK: 4.1        LogK°I=0 (Conversion to I = 0):   4.28         LogK2.31 nm−2 (SSD-normalized):   12.93
Experiment: Potentiometric Titration
Ionic Strength: 0.01 mol/L KNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 1.19 g/L
pH Range: 4-9.5
Ligand Concentration Range: 1E-3 mol/L
Fit Method: FITEQL
Comment: FITEQL/GRFIT; also sorption isotherms at pH 4.5 and 7.5
 
1 data sets were retrieved