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: 12.34 ± 0.02         LogK°I=0 (Conversion to I = 0):   13.30         LogK2.31 nm−2 (SSD-normalized):   13.28
Ionic Strength: 0.1 mol/L NaCl
Solid/Liquid Ratio: 2.0 g/L
pH Range: 3 - 11
Ligand Concentration Range: 5.34E-4 mol/L
Fit Method: FITEQL
Comment: adsorption envelopes; data set from [RJL98] used for the optimization of As adsorption constants
 
1 data sets were retrieved