Matter
Name
ultra high vacuum - ~1e-9 mbar
Family
Family
fluid
Comments
Vacuum dominated by $H_2$ and CO
Database
Origins
laboratory
Phase type
gas
Component type (group)
molecular (mixture)
Density
1e-15 $\pm$ 1e-15 $g.cm^{-3}$
Number
1
Mode of mixing
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Ultra high vacuum - ~1e-9 mbar 1.0 $\pm$ 0.001
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