RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: BCEK12
SCM Type: 1pK-TP - 1pK-Three-Plane
Ligand: AsO4<3-> - arsenate
Site Type: »Fe-OH
Equation: 2 »Fe-OH<0.5-> + AsO4<3-> + 2 H<1+>  ⇔  (»Fe-O)2-AsO2<2-> + 2 H2O
LogK: 28.22        LogK°I=0 (Conversion to I = 0):   28.71         LogK2.31 nm−2 (SSD-normalized):   30.09
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaCl
Temperature: 298.15 K
pH Range: 3 - 7.5
Ligand Concentration Range: 3E-6 - 3E-4 mol/L
Fit Method: ECOSAT + FIT
Comment: S/L ratio: 0.04 - 1 g/L;
CO2 partial pressures: 0.39, 10, 100 hPa
 
1 data sets were retrieved