RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Magnetite
Reference:	RBM83
SCM Type:	TL - Triple Layer (C₁: 1.4 F/m², C₂: 0.2 F/m²)
Ionic Strength:	0.001 mol/L of KNO3
Site Type:	»Fe-OH
PZC:	6.8
pK1:	4.4	pK1°_I=0 (Conversion to I = 0):	4.38	pK1_{2.31 nm⁻²} (normalized):	4.81
pK2:	9.0	pK2°_I=0 (Conversion to I = 0):	8.98	pK2_{2.31 nm⁻²} (normalized):	8.59
Site Density in nm^-2:	5.9918
Original Site Density:	96.0 µC / cm² surface
Solid/Liquid Ratio in g/L:	20.0
pH Range:	4-9
Temperature in K:	303.15
Method for Site Density:	Electrophoretic Mobility
Method for Protolysis:	Potentiometric Titration
Fit Method:
Comment:	PZC-determination: 6.8 (titration), 6.4 (addition), 6.85 (electrophoretic mobility); ionic strength 0.1, 0.01 and 0.001M; source of SSD unknown; in [BMR84] SSA of sample is 5 m^2/g

1 data sets were retrieved