RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Goethite
Reference: D78
SCM Type: TL - Triple Layer   (C1: 1.0 F/m2,  C2: 0.2 F/m2)
Ionic Strength: 0.1 mol/L of KNO3
Site Type: »Fe-OH
PZC:
pK1: 4.2 pK1°I=0 (Conversion to I = 0): 4.09 pK12.31 nm−2 (normalized): 5.06
pK2: 10.8 pK2°I=0 (Conversion to I = 0): 10.69 pK22.31 nm−2 (normalized): 9.94
Site Density in nm-2: 16.8000
Original Site Density: 16.8 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range: 3.5-9.5
Temperature in K:
Method for Site Density: Geometrical Calculation
Method for Protolysis:Potentiometric Titration
Fit Method:graphic extrapolation
Comment: SSD and raw data from [Y75], but there SSD for sample B (54 m^2/g); pK cited also in [J78], [DJL78], [H81], [LMB95], [S03]; pH range and IS from [Y75]
 
1 data sets were retrieved