RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: GB07
SCM Type: DDL - Diffuse Double Layer
Ligand: AsO4<3-> - arsenate
Site Type: »Fe-OH
Equation: »Fe-OH + AsO4<3-> + 3 H<1+>  ⇔  »Fe-H2AsO4 + H2O
LogK: 30.74 ± 0.019         LogK°I=0 (Conversion to I = 0):   31.28         LogK2.31 nm−2 (SSD-normalized):   31.68
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaClO4
Temperature: 296.15 K
Solid/Liquid Ratio: 0.03 g/L
pH Range: 3.5 - 10.5
Ligand Concentration Range: 1E-4 mol/L
Fit Method: FITEQL
Comment: data set from [DH03] used for the optimization of As adsorption constants
 
1 data sets were retrieved