RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	amorphous Silica
Reference:	L93
SCM Type:	NE - Non-electrostatic
Ionic Strength:	0.1 mol/L of NaClO4
Site Type:	»Si-OH
PZC:	4.45
pK1:	2.72	pK1°_I=0 (Conversion to I = 0):	2.61	pK1_{2.31 nm⁻²} (normalized):	3.44
pK2:	6.18	pK2°_I=0 (Conversion to I = 0):	6.07	pK2_{2.31 nm⁻²} (normalized):	5.46
Site Density in nm^-2:	12.0441
Original Site Density:	0.000002 mol / g solid
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:
Comment:	exchange capacity 2 µeq/g; PZC=1/2 (pK1+pK2)

1 data sets were retrieved