Xenon
 Xe 4.8

High Purity Grade 99.998%

All Xenon is filled gravimetrically :
1 m3 = 5.584 Kg at 15°C
Non-flammable, non-toxic, inert,
U.N.# 2036

  Xenon Xe 99.998 %
  Argon + Oxygen Ar+O2 < 3 ppm
  Nitrogen N2 < 5 ppm
  Carbon oxides CO2+CO < 3 ppm
  Hydrogen H2 < 1 ppm
  Krypton Kr < 5 ppm
  Methan CH4 < 1 ppm
  Water H2O < 3 ppm
  Carbon tetrafluoride CF4 < 1 ppm