RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	LE94
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	0.01 mol/L of NaCl
Site Type:	»Fe-OH
PZC:	9.21
pK1:	7.389	pK1°_I=0 (Conversion to I = 0):	7.34	pK1_{2.31 nm⁻²} (normalized):	7.46
pK2:	11.04	pK2°_I=0 (Conversion to I = 0):	11.00	pK2_{2.31 nm⁻²} (normalized):	10.97
Site Density in nm^-2:	2.7400
Original Site Density:	2.74 sites / nm² surface
Solid/Liquid Ratio in g/L:	3.612
pH Range:	5-10
Temperature in K:	298.15
Method for Site Density:	Potentiometric Titration
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	reported values are for I=0.01 M, other ionic strengths were 0.001 and 0.1 M; temperature 25+-0.2°C, N2 atmosphere

1 data sets were retrieved