RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: TG16
SCM Type: CDM - (CD-)MUSIC
Ligand: Cd<2+> - cadmium
Site Type: »Fe-singly
Equation: 2 »Fe-OH<0.5-> + Cd<2+> + AsO4<3-> + 2 H<1+>  ⇔  (»Fe-O)2-H-CdAsO3-H + H2O
LogK: 30.01 ± 0.06         LogK°I=0 (Conversion to I = 0):   30.68         LogK2.31 nm−2 (SSD-normalized):   30.16
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaNO3
Temperature: 294.1 K
pH Range: 4 - 8
Ligand Concentration Range: 3E-7; 3E-6; 3E-5 mol/L
Fit Method: MINTEQ
Comment: 3 mmol/L ferrihydrite and 0.3, 3 or 30 µmol/L Cd and 600 µmol/l AsO4;
0.3 mmol/L ferrihydrite and 30 µmol/L Cd and 60 µmol/L AsO4
 
1 data sets were retrieved