RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: KILLS98
SCM Type: CC - Constant Capacitance
Ligand: Au<3+> - gold
Site Type: »Fe-OH
Equation: »Fe-OH + AuCl4<1-> + 3 H2O  ⇔  »Fe-OH-Au(OH)3 + 4 Cl<1-> + 3 H<1+>
LogK: -21.94 ± 0.05         LogK°I=0 (Conversion to I = 0):   -21.30         LogK2.31 nm−2 (SSD-normalized):   -21.00
Experiment: Potentiometric Titration
Ionic Strength: 0.1 mol/L NaCl
Temperature: 298.2 K
Solid/Liquid Ratio: 70.0 g/L
pH Range: 2-10
Ligand Concentration Range: 1.4-9.2E-4 Au mol/L
Fit Method: FITEQL
Comment: used log K for AuCl4- formation not reported
 
1 data sets were retrieved