RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Bentonite
Reference: TFPC04
SCM Type: CDM - (CD-)MUSIC
Ligand: Ca<2+> - calcium
Site Type: »X-Na
Equation: 2 »X-Na + Ca<2+>  ⇔  »X2-Ca + 2Na<1+>
LogK: 0.4        LogK°I=0 (Conversion to I = 0):   0.64         LogK2.31 nm−2 (SSD-normalized):   7.45
Experiment: Potentiometric Titration
Ionic Strength: 0.02 mol/L CaCl2
Temperature: 298.15 K
Solid/Liquid Ratio: 3.08 g/L
pH Range: 2-12
Ligand Concentration Range: 0.0068 mol/L
Fit Method: PHREEQC
Comment: one experiment was conducted in an O2-free glove box (0.05M CaCl2) also: 0.0068M CaCl2, 3.03g/L and 0.05M CaCl2, 1.53g/L
 
1 data sets were retrieved