RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: AVTC02
SCM Type: DDL - Diffuse Double Layer
Ligand: CO3<2-> - carbonate
Site Type: »Fe(w)-OH
Equation: »Fe(w)-OH + CO3<2-> + 2 H<1+>  ⇔  »Fe(w)-O-CO2H + H2O
LogK: 20.3 ± 0.53         LogK°I=0 (Conversion to I = 0):   20.94         LogK2.31 nm−2 (SSD-normalized):   24.61
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaCl
Solid/Liquid Ratio: 2.0 g/L
pH Range: 3-8
Fit Method: PEST
Comment: PEST in combination with PHREEQC-2; values from batch sorption experiments of [VL00]; closed system; uncertainty interval indicates the aproximate 95% confidence limits
 
1 data sets were retrieved