Air, Instrument Grade

Compressed air with low moisture and hydrocarbon levels

N2 / O2

Instrument Air is used as a clean source of oxygen for oxidation processes


  • Source of oxygen for oxidation processes
  • Oxidiser for flame ionisation detectors
  • Combined with instrument acetylene in atomic absorption flame spectrometry
  • Balance gas in calibration gas mixtures

Product Summary

Gas composition

  • Nitrogen Balance
  • Oxygen 21.0% ± 1.0%


Moisture ≤ 15 ppm
Hydrocarbons as methane ≤ 10 ppm

Additional Details

Physical & chemical properties

Appearance Odour Flammability
AppearanceColourless gas OdourOdourless FlammabilityNon flammable

Hazard class


Hazard symbol (GHS)

  • Non-flammable non-toxic gas 2.2
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