RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	HREL91
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	NaNO3
Site Type:	»Fe-OH
PZC:	8.6
pK1:	7.1	pK1_{2.31 nm⁻²} (normalized):	7.74
pK2:	10.24	pK2_{2.31 nm⁻²} (normalized):	9.60
Site Density in nm^-2:	10.0000
Original Site Density:	10.0 sites / nm² surface
Solid/Liquid Ratio in g/L:	15.0
pH Range:	5.5-11
Temperature in K:	298.15
Method for Site Density:	Best Estimate
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	suggested "standard\" parameter values; combined ionic strength case: best fit over ionic strength 0.087, 0.028 and 0.005 M; also published in [HREL90]; no good fit with F-value= 201; recommended data set [HREL91]

1 data sets were retrieved