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: 11.59 ± 0.021         LogK°I=0 (Conversion to I = 0):   12.55         LogK2.31 nm−2 (SSD-normalized):   12.53
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 0.089 g/L
pH Range: 7 - 12
Ligand Concentration Range: 5E-6 mol/L
Fit Method: FITEQL
Comment: data set from [LBHKA80] used for the optimization of As adsorption constants
 
1 data sets were retrieved