Sample
Name
MET00426 matrix grains (CR Chondrite) heated at 300°C
Date
2011-07-19
Provider
IPAG
Parent sample
MET00426 matrix grains (CR Chondrite)
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
manual selection under binocular of about 10 matrix grains of approximate diameter between 30 and 50 microns
Temperature
300.0 $\pm$ 5.0 $^{\circ}C$
Temperature max
300.0 $\pm$ 5.0 $^{\circ}C$
Time at Tmax
3600.0 $s$
Type
vacuum
Fluid pressure
2.5e-06 $\pm$ 5e-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
selection of the grains

Precursors

Samples

Produced sample

Sample
MET00426 matrix grains (CR Chondrite) heated at 300°C (this sample)
Processing steps
Step Chronology Date Type Process Changes
#1 on parent sample 2011-07-19 thermal heating at 300°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