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: 19.14 ± 0.15         LogK°I=0 (Conversion to I = 0):   20.21         LogK2.31 nm−2 (SSD-normalized):   20.08
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