RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Kaolinite
Reference: AJW98
SCM Type: CC - Constant Capacitance
Ligand: Co<2+> - cobalt(II)
Site Type: Cation exchange site
Equation: »(SiK)2 + Co<2+>  ⇔  »(Si2)Co + 2 K<1+>
LogK: 3.06        LogK°I=0 (Conversion to I = 0):   3.19         LogK2.31 nm−2 (SSD-normalized):   2.18
Experiment: Potentiometric Titration
Ionic Strength: 0.005 mol/L KNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 6.38 g/L
pH Range: 3.5-9
Ligand Concentration Range: 5E-5 mol/L
Fit Method: FITEQL
Comment: relatively sparse ion-exchange sites on the siloxane faces XH, other logK for 10, 40, 55,70°C
 
1 data sets were retrieved