RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Ferrihydrite
Reference: GDB09
SCM Type: CDM - (CD-)MUSIC
Ligand: Si(OH)4<0> - Silicic acid
Site Type: »Fe-singly
Equation: 2 »Fe-OH<0.5-> + Si(OH)4<0>  ⇔  »Fe2-O2-Si(OH)2<1-> + 2 H2O
LogK: 4.96        LogK°I=0 (Conversion to I = 0):   4.96         LogK2.31 nm−2 (SSD-normalized):   5.11
Experiment: Batch Sorption Experiments
Ionic Strength: 0.1 mol/L NaNO3
Temperature: 298.15 K
pH Range: 3.5-12
Fit Method: MINTEQ
Comment: refitted data from [SW99]; two systems measured: 1 mM H4SiO4 and 37 mM Fe, 1.8 mM H4SiO4 and 1 mM Fe; MO/DFT-calculated CD values of [HVB07] did not fit the data of [SW99] well, so these CD values were fitted
 
1 data sets were retrieved