RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: Goethite
Reference: GM01
SCM Type: CC - Constant Capacitance   (C1: 1.54 F/m2)
Ionic Strength: 0.3 mol/L of NaCl
Site Type: »Fe-OH
PZC: 8.5
pK1: 7.32 pK1°I=0 (Conversion to I = 0): 7.19 pK12.31 nm−2 (normalized): 7.21
pK2: 9.65 pK2°I=0 (Conversion to I = 0): 9.52 pK22.31 nm−2 (normalized): 9.76
Site Density in nm-2: 1.8000
Original Site Density: 1.8 sites / nm² surface
Solid/Liquid Ratio in g/L: 7.93
pH Range: 3-9
Temperature in K: 298.15
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: also experiments in 0.1 and 0.7M NaCl, respectively; error interval corresponds to 95% confidence level
 
1 data sets were retrieved