RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Alumina
Reference:	H17
SCM Type:	NE - Non-electrostatic
Ionic Strength:	0.1 mol/L of NaClO4
Site Type:	»Al(w)-OH
PZC:	8.5
pK1:	6.9	pK1°_I=0 (Conversion to I = 0):	6.79	pK1_{2.31 nm⁻²} (normalized):	6.36
pK2:	9.7	pK2°_I=0 (Conversion to I = 0):	9.59	pK2_{2.31 nm⁻²} (normalized):	10.24
Site Density in nm^-2:	0.6624
Original Site Density:	1.1 µmol / m² surface
Solid/Liquid Ratio in g/L:	10.0
pH Range:	3-11
Temperature in K:	294.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	CHESS
Comment:	Alumina sites were determined by fast titration under anoxic (CO2-free as well) conditions at 21°C, using 10 g/l suspensions, at 0.01 M and 0.1 M NaClO4. PZC was 8.5. Titrations were done in the 3-11 pH range.

1 data sets were retrieved