RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Ferrihydrite
Reference:	ZB04a
SCM Type:	NE - Non-electrostatic
Ionic Strength:
Site Type:	»Fe-OH
PZC:	8.0
pK1:	7.29	pK1_{2.31 nm⁻²} (normalized):	7.29
pK2:	8.93	pK2_{2.31 nm⁻²} (normalized):	8.93
Site Density in nm^-2:	2.3100
Original Site Density:	2.31 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:	298.15
Method for Site Density:	Mean of Different Sources
Method for Protolysis:	Mean of Different Sources
Fit Method:	FITEQL
Comment:	SSA from [D78]; SSD assumed as 2.31 sites/nm² as suggested in [DM90] p. 92-93, original values in mol/mol Fe (in Fe2O3*H2O); pK weighted averages of literature titration data, confidence level 95%; PZC in the range 7.9-8.2 with an average value of 8.0; SCM-Type in [DM90]: DDL

1 data sets were retrieved