RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Hematite
Reference: FGHGW22
SCM Type: CC - Constant Capacitance
Ligand: RNH3<1+> - dodecylaminion
Site Type: »Fe-OH
Equation: »Fe-OH + RNH3<1+>  ⇔  »Fe-O-NH3R + H<1+>
LogK: -2.58 ± 0.02         LogK°I=0 (Conversion to I = 0):   -2.58         LogK2.31 nm−2 (SSD-normalized):   -1.64
Experiment: Batch Sorption Experiments
Ionic Strength: 0.01 mol/L NaNO3
Temperature: 298.15 K
Solid/Liquid Ratio: 100.0 g/L
pH Range: 4.5 - 10
Ligand Concentration Range: 1.08E-4 mol/L
Fit Method:
Comment: Newton-Raphson method program;
original equation in the study: »Fe-O<1-> + RNH3<1+> = »Fe-O-NH3R, log K = 5.58±0.02;
WSOS/DF = 1.45
 
1 data sets were retrieved