RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Ferrihydrite
Reference:	SWM03
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	0.0 mol/L of
Site Type:	»Fe(s)-OH
PZC:
pK1:	7.29	pK1°_I=0 (Conversion to I = 0):	7.29	pK1_{2.31 nm⁻²} (normalized):	5.68
pK2:	8.93	pK2°_I=0 (Conversion to I = 0):	8.93	pK2_{2.31 nm⁻²} (normalized):	10.54
Site Density in nm^-2:	0.0565
Original Site Density:	0.005 mol / mol metal
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:	298.15
Method for Site Density:	Sorption Isotherms
Method for Protolysis:	Literature
Fit Method:	FITEQL
Comment:	SSD of »Fe(s1)-OH optimized from isotherms A and B (see article), other SSD and all pK-values taken from [DM90], SSA = 600 m²/g; »Fe(s1)-OH site was added to accurately model the shape of the Pb isotherm (highest affinity site)

1 data sets were retrieved