RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Boehmite
Reference:	BPGTD91
SCM Type:	CC - Constant Capacitance (C₁: 1.8 F/m²)
Ionic Strength:	0.001 mol/L of KCl
Site Type:	»Al-OH
PZC:	9.4
pK1:	5.6	pK1°_I=0 (Conversion to I = 0):	5.58	pK1_{2.31 nm⁻²} (normalized):	5.47
pK2:	8.63	pK2°_I=0 (Conversion to I = 0):	8.61	pK2_{2.31 nm⁻²} (normalized):	8.76
Site Density in nm^-2:	1.7283
Original Site Density:	2.87 µmol / m² surface
Solid/Liquid Ratio in g/L:	5.34
pH Range:	3-11
Temperature in K:
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	little different declaration of pK values given in Table II (pk1 = 5.60 and pK2 = 8.63) and given in the text (pk1 = 5.6 ± 0.2 and pK2 = 8.6 ± 0.2); C = 1.8 ± 0.9 F/m²

1 data sets were retrieved