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: SO4<2-> - sulfate
Site Type: »X-OH
Equation: »X-OH + SO4<2-> + H<1+>  ⇔  »X-SO4<1-> + H2O
LogK: 9.62        LogK°I=0 (Conversion to I = 0):   9.70         LogK2.31 nm−2 (SSD-normalized):   9.43
Experiment: Batch Sorption Experiments
Ionic Strength: 0.001 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]; log K for cation onto >>SiOH from [R82] (there for Na+); also log K in 0.1M KCl: 6.22, in 0.01 M KCl: 7.58; inner sphere complex; bad fit >20 for I<0.1
 
1 data sets were retrieved