RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Ferrihydrite
Reference:	DH03
SCM Type:	DDL - Diffuse Double Layer
Ionic Strength:	0.0 mol/L of
Site Type:	»Fe-OH
PZC:
pK1:	7.29	pK1°_I=0 (Conversion to I = 0):	7.29	pK1_{2.31 nm⁻²} (normalized):	7.47
pK2:	8.93	pK2°_I=0 (Conversion to I = 0):	8.93	pK2_{2.31 nm⁻²} (normalized):	8.75
Site Density in nm^-2:	3.5000
Original Site Density:	3.5 sites / nm² surface
Solid/Liquid Ratio in g/L:	0.03
pH Range:
Temperature in K:	296.14
Method for Site Density:	Sorption Isotherms
Method for Protolysis:	Literature
Fit Method:
Comment:	pK from [DM90]; temperature 23+-0.4°C; experiments in 0.01M NaClO4; SSD valid for As(III) sorption, for As(V) sorption SSD=2.6 sites/nm^2

1 data sets were retrieved