RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Alumina
Reference: JFLFH18
SCM Type: CDM - (CD-)MUSIC
Ligand: Cl<1-> - chloride
Site Type: >Al(singly)OH<0.5->
Equation: >Al(singly)OH<0.5-> + Cl<1-> + H<1+>  ⇔  >Al(singly)OH2<0.5+>-Cl<->
LogK: 9.1 ± 0.1         LogK°I=0 (Conversion to I = 0):   9.10
Experiment: Potentiometric Titration
Ionic Strength: 0.0 mol/L NaCl
Temperature: 298.15 K
Solid/Liquid Ratio: 30.0 g/L
pH Range: 5-9,5
Ligand Concentration Range: 0.01-0.1 mol/L
Fit Method: FITEQL
Comment:

Original equiation:
≡AlOH20.5+ + Cl ↔ ≡AlOH20.5+⋯Cl log K° = −0.2±0.1
≡AlOH0.5− + H+ ↔ ≡AlOH20.5+ log K° = 9.3

 
1 data sets were retrieved