RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: RHV06a
SCM Type: CDM - (CD-)MUSIC
Ligand: Cs<1+> - cesium
Site Type: »Fe-singly
Equation: »Fe-singly-OH<0.5-> + Cs<1+>  ⇔  »Fe-singly-OH-Cs<0.5+>
LogK: -1.5        LogK°I=0 (Conversion to I = 0):   -1.37         LogK2.31 nm−2 (SSD-normalized):   -1.43
Experiment: Potentiometric Titration
Ionic Strength: 0.2 mol/L CsNO3
Temperature: 293.15 K
Solid/Liquid Ratio: 16.52 g/L
pH Range: 5-10.5
Ligand Concentration Range: 0.04-0.2 mol/L
Fit Method:
Comment: to simplify the modeling, the logK for singly and triply coordinated surface groups are set equal; logK value was not fitted but chosen (<=1.5), due to the low sensitivity of the data
 
1 data sets were retrieved