RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Goethite
Reference: HWGC15
SCM Type: DDL - Diffuse Double Layer
Ligand: PO4<3-> - phosphate
Site Type: »Fe-OH
Equation: 2 »Fe-OH + PO4<3-> + Fe<2+> + H<1+>  ⇔  (»Fe-O)2-PO2Fe(OH) + H2O
LogK: 31.44        LogK°I=0 (Conversion to I = 0):   32.07         LogK2.31 nm−2 (SSD-normalized):   33.31
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaCl
Solid/Liquid Ratio: 4.0 g/L
pH Range: 3 - 9
Ligand Concentration Range: 1E-4; 1E-3 mol/L
Fit Method: MINEQL
Comment: site occupancy based equilibrium constant using the corrections proposed by Sverjensky (2003)
 
1 data sets were retrieved