RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	amorphous Silica
Reference:	KKT12
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	0.1 mol/L of NaClO4
Site Type:	»Si-OH
PZC:	3.0
pK1:	0.56	pK1°_I=0 (Conversion to I = 0):	0.45	pK1_{2.31 nm⁻²} (normalized):	0.11
pK2:	6.8	pK2°_I=0 (Conversion to I = 0):	6.69	pK2_{2.31 nm⁻²} (normalized):	7.25
Site Density in nm^-2:	0.8197
Original Site Density:	0.000245 mol / g solid
Solid/Liquid Ratio in g/L:	6.0
pH Range:	3,0-9,0
Temperature in K:
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	SSD and surface protolysis data taken from KTGM11; PZC=3 from zeta potential measurements (KTRM06)

1 data sets were retrieved