RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:


Mineral: amorphous Silica
Reference: PS08
SCM Type: ETL - Extended Triple Layer   (C1: 0.95 F/m2)
Ionic Strength: 0.1 mol/L of NaNO3
Site Type: »Si-OH
PZC: 2.8
pK1: -2.6 pK1°I=0 (Conversion to I = 0): -2.71 pK12.31 nm−2 (normalized): -2.30
pK2: 8.2 pK2°I=0 (Conversion to I = 0): 8.09 pK22.31 nm−2 (normalized): 7.90
Site Density in nm-2: 4.6000
Original Site Density: 4.6 sites / nm² surface
Solid/Liquid Ratio in g/L: 20.0
pH Range: 5 - 10
Temperature in K:
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:Unknown
Comment: C1 from regression of proton surface charge data reported in [MDF99b]; log K values refer to the hypothetical 1.0 M standard state
 
1 data sets were retrieved