RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: amorphous Silica
Reference: HFGM96
SCM Type: CC - Constant Capacitance   (C1: 1.2 F/m2)
Ionic Strength: 0.1 mol/L of NaCl
Site Type: »Si-OH
PZC: 2.9
pK1: pK1°I=0 (Conversion to I = 0):  
pK2: 7.6 pK2°I=0 (Conversion to I = 0): 7.49 pK22.31 nm−2 (normalized): 7.55
Site Density in nm-2: 2.6000
Original Site Density: 2.6 sites / nm² surface
Solid/Liquid Ratio in g/L: 1.0
pH Range: 2-10
Temperature in K: 298.15
Method for Site Density: Potentiometric Titration
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: site concentration 1.1E-4 M; PZC not influenced by the ionic strength (0.1...0.001M)
 
1 data sets were retrieved