RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

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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-> + H<1+>  ⇔  »Fe-AsO4<2-> + H2O
LogK: 19.18 ± 0.04         LogK°I=0 (Conversion to I = 0):   20.25         LogK2.31 nm−2 (SSD-normalized):   20.12
Ionic Strength: 0.1 mol/L NaCl
Solid/Liquid Ratio: 2.0 g/L
Ligand Concentration Range: 2.08E-3 mol/L
Fit Method: FITEQL
Comment: data set from [JL00] used for the optimization of As adsorption constants
 
1 data sets were retrieved