RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: RCBR07
SCM Type: DDL - Diffuse Double Layer
Ligand: PO4<3-> - phosphate
Site Type: »Fe-OH
Equation: »Fe-OH + PO4<3-> + 2 H<1+>  ⇔  »Fe-PO4<1-> + H2O + H<1+>
LogK: -1.62        LogK°I=0 (Conversion to I = 0):   -0.44         LogK2.31 nm−2 (SSD-normalized):   0.37
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 33.3 g/L
pH Range: 3-10
Ligand Concentration Range: 0.00004-0.001 mol/L
Fit Method: FITEQL
Comment: in the text: model of [DM90] as GTML but in [DM90] : DDL also 42 g/l and 333g/L
 
1 data sets were retrieved