RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Kaolinite
Reference: HZBRM97
SCM Type: TL - Triple Layer
Ligand: PO4<3-> - phosphate
Site Type: »Al-OH
Equation: »Al-OH + PO4<3-> + H<1+>  ⇔  »Al-PO4<2-> + H2O
LogK: 17.44        LogK°I=0 (Conversion to I = 0):   17.89         LogK2.31 nm−2 (SSD-normalized):   16.05
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L KCl
Fit Method: FITEQL
Comment: logK for background electrolyt for Na+ onto >>AlOH=-9.2 and for Cl- onto >>AlOH=7.90 from [JP82]; also log K in 0.1M KCl: 17.14, in 1 M KCl: 19.22; inner sphere complex; bad fit >20 for I>=0.1
 
1 data sets were retrieved