RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	SF06a
SCM Type:	TL - Triple Layer (C₁: 0.72 F/m²)
Ionic Strength:	0.1 mol/L of NaCl
Site Type:	»Fe-OH
PZC:	9.2
pK1:	6.1	pK1°_I=0 (Conversion to I = 0):	5.99	pK1_{2.31 nm⁻²} (normalized):	6.13
pK2:	12.3	pK2°_I=0 (Conversion to I = 0):	12.19	pK2_{2.31 nm⁻²} (normalized):	12.27
Site Density in nm^-2:	2.5000
Original Site Density:	2.5 sites / nm² surface
Solid/Liquid Ratio in g/L:	10.8
pH Range:	2.5-9.5
Temperature in K:	298.15
Method for Site Density:	Surface Charge
Method for Protolysis:	Electrophoretic Mobility
Fit Method:	Unknown
Comment:	SSA, PZC from [LE94] via [S05], calculation of pK1 and pK2 in [S06], ionic strength 0.01 NaCl + 0.05mM, 0.25mM,1mM SO4; 0.1M NaCl + 0.25mM SO4

1 data sets were retrieved