RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	SWM09
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	0.0 mol/L of
Site Type:	»Fe-OH
PZC:
pK1:	8.17	pK1°_I=0 (Conversion to I = 0):	8.17	pK1_{2.31 nm⁻²} (normalized):	7.78
pK2:	9.93	pK2°_I=0 (Conversion to I = 0):	9.93	pK2_{2.31 nm⁻²} (normalized):	10.32
Site Density in nm^-2:	0.9400
Original Site Density:	0.94 sites / nm² surface
Solid/Liquid Ratio in g/L:	6.2
pH Range:	4 - 11
Temperature in K:	298.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	Initially all parameters were optimized simultaneously and then the site density was fixed to the weighted average value for the three data sets, and the acidity constants were optimized for this site density.

1 data sets were retrieved