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->  ⇔  »Fe-OH-AsO4<3->
LogK: 11.4 ± 0.054         LogK°I=0 (Conversion to I = 0):   12.36         LogK2.31 nm−2 (SSD-normalized):   12.34
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 0.089 g/L
pH Range: 3.5 - 12
Ligand Concentration Range: 1.07E-4 mol/L
Fit Method: FITEQL
Comment: data set from [SW99] used for the optimization of As adsorption constants
 
1 data sets were retrieved