Sample
Name
Ca-exchanged smectite saturated with H2O at RH=19%
Date
2014-11-23
Provider
CML laboratory
Thickness
0.01 $\pm$ 0.005 $cm$
Diameter
0.5 $cm$
Substrate material
Diamond
Substrate comments
Sample was in the custom made environmental chamber with controlled relative humidity of H2O vapor
Comments
Thin film deposited on top of ATR crystal
Temperature
25.0 $\pm$ 3.0 $C$
Time at T
20.0 $\pm$ 3.0 $min$
Temperature max
25.0 $\pm$ 3.0 $C$
Pressure
1013.0 $\pm$ 15.0 $hPa$
Time at P
20.0 $\pm$ 3.0 $min$
Comments
Sample kept under room temperature and pressure
Type
molecular gas
Fluids
Fluid temperature
25.0 $\pm$ 3.0 $C$
Time at T, P, pH
20.0 $\pm$ 3.0 $min$
Comments
Fluid type: Nitrogen wet with H2O vapor
Title
H2O saturation of smectite

Precursors

Samples

Produced sample

Sample
Ca-exchanged smectite saturated with H2O at RH=19%
Processing steps
Step Chronology Date Type Process Changes
#1 during layer formation 2014-11-23 fluid physical Saturation of a thin film of the sample with H2O-wet nitrogen gas (19% relative humidity) for 15+/-5 min at room p,T. Change of the amount of the adsorbed H2O in the interlayer of the smectite