RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results


Binding Site Data:

Mineral: Quartz
Reference: AZZBN01
SCM Type: DDL - Diffuse Double Layer
Ionic Strength: 0.1 mol/L of NaClO4
Site Type: »Si-OH
PZC: 2.45
pK1: pK1°I=0 (Conversion to I = 0):  
pK2: 5.62 pK2°I=0 (Conversion to I = 0): 5.51 pK22.31 nm−2 (normalized): 5.30
Site Density in nm-2: 4.8100
Original Site Density: 4.81 sites / nm² surface
Solid/Liquid Ratio in g/L: 12.5
pH Range: 3.5-9.5
Temperature in K: 293.0
Method for Site Density: Sorption Isotherms
Method for Protolysis:Potentiometric Titration
Fit Method:FITEQL
Comment: published in detail in [Z00]; SSD evaluated from adsorption isotherms at pH=6.5; PZC ranges between 2.0 and 2.9 (literature), SSD in [Z00] 4.37 sites/nm^2 (pH=9.5)
 
1 data sets were retrieved