RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Hematite
Reference: FGHGW22
SCM Type: CC - Constant Capacitance   (C1: 7.0 F/m2)
Ionic Strength: 0.01 mol/L of NaNO3
Site Type: »Fe-OH
PZC:
pK1: 7.51 pK1°I=0 (Conversion to I = 0): 7.47 pK12.31 nm−2 (normalized): 7.80
pK2: 8.16 pK2°I=0 (Conversion to I = 0): 8.12 pK22.31 nm−2 (normalized): 7.87
Site Density in nm-2: 4.5000
Original Site Density: 4.5 sites / nm² surface
Solid/Liquid Ratio in g/L: 100.0
pH Range: 5 - 10
Temperature in K: 298.0
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:
Comment: Newton-Raphson method program;
WSOS/DF = 18.88 ("Fits with values for WSOS/DF in the range of 0.1-20 represent a reasonable fit [HL09]")
 
1 data sets were retrieved