RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Goethite
Reference:	RZEAA88
SCM Type:	TL - Triple Layer (C₁: 1.25 F/m², C₂: 0.2 F/m²)
Ionic Strength:	NaNO3
Site Type:	»Fe-OH
PZC:	9.0
pK1:	4.2	pK1_{2.31 nm⁻²} (normalized):	5.05
pK2:	10.8	pK2_{2.31 nm⁻²} (normalized):	9.95
Site Density in nm^-2:	16.4000
Original Site Density:	16.4 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density:	Tritium Exchange
Method for Protolysis:	Potentiometric Titration
Fit Method:	FITEQL
Comment:	PZC=9.0+/-0.2 (potentiometric titration); C from [D78]; SSD from [Y75]; pK values from [D78] basing on raw data of [Y75] (but these values correspond to SSD = 16.8 nm^-2 (geometrical calculation) and C1 = 1), so the overall picture is inconsistent; 0.1 and 0.01 M NaNO3; also in [AGZS89]

1 data sets were retrieved