RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Gibbsite
Reference: RPS02
SCM Type: TL - Triple Layer
Ligand: Cl<1-> - chloride
Site Type: »Al-doubly
Equation: »Al-doubly + Cl<1-> + H<1+>  ⇔  »Al-doublyH-Cl
LogK: 8.49 ± 0.01         LogK°I=0 (Conversion to I = 0):   8.49         LogK2.31 nm−2 (SSD-normalized):   9.13
Experiment: Potentiometric Titration
Ionic Strength: 0.0 mol/L NaCl
Temperature: 298.15 K
Solid/Liquid Ratio: 2.0 g/L
pH Range: 3-11
Ligand Concentration Range: 0.02-0.1 mol/L
Fit Method: FITEQL
Comment: values for >AlOH-Groups where taken fom [HYV99] to fit values for >Al2OH-groups, calculated with a specific surface area of 91 m2/g (calc. From AFM and XRD), not the value from BET
 
1 data sets were retrieved