Sample
Name
QUE99177 matrix grains (CR) heated at 250°C under vacuum
Thickness
15.0 $\pm$ 5.0 ${\mu}m$
Diameter
40.0 ${\mu}m$
Substrate material
diamond window
Substrate comments
diamond window of 3.5mm diameter
Comments
matrix grains manually selected under binocular, pressed on diamond window and progressively heated under vacuum
Temperature
250.0 $\pm$ 5.0 $^{\circ}C$
Temperature max
260.0 $\pm$ 5.0 $^{\circ}C$
Time at Tmax
3600.0 $s$
Type
vacuum
Fluid pressure
2.5e-06 $\pm$ 5.0e-07 $mbar$
Comments
sample put in a cell enabling acquisition under primary or secondary dynamic vacuum (from $10^{-4}$ mbar down to $10^{-7}$ mbar)
Number
1
Layers
Title
heating of the pressed grains

Precursors

Samples

Produced sample

Sample
QUE99177 matrix grains (CR) heated at 250°C under vacuum (this sample)
Processing steps
Step Chronology Date Type Process Changes
#1 on parent sample 2021-01-01 thermal heating at 250°C under vacuum in an environmental cell partial reduction of the amount of adsorbed $H_2O$
Comments
heating in order to remove adsorbed water on the matrix grains