Layer
Name
Layer #1
Physical characteristics
Type of layer
granular
Mass
31.0327 $\pm$ 1.5001 $g$
Texture
sintered granular
Type of porosity
porous
Porosity
0.385 $\pm$ 0.02
Density
0.98 $\pm$ 0.03 $g.cm^{-3}$
Comments
sublimating sample with an initial thickness of 20mm decreasing with time
Formation mode
manual deposition
Temperature
100.0  $\pm$ 20.0  $K$
Comments
The sample is prepared in an initially Liquid N2 cooled cell (> 77 K) but CO2 ice is at 195 K. Slight manual compression on the sample
Number
5
Arrangement
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Anthracene powder 0.3 0.00034965
Phenanthrene-d10 powder 0.3 0.00034965
Pyrene powder 0.3 0.00034965
CO2 snow 0.9987003
H2O ice impurity 0.00029969999999999997 small but strongly variable $H_2O$ ice impurity due to water vapor condensation on $CO_2$ snow.