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Air (High Purity Grade)

High-purity air

Air Liquide packages air and air gas mixtures in a variety of high-pressure cylinders, including steel and aluminium cylinders, depending on the grade and concentration desired as well as your application. Air Liquide offers a wide range of services to try and meet each customer's needs.

Research and Analysis

Air pure gas from Air Liquide has low trace impurities that improve the reliability of your analytical results and extend the service life of your lab instruments and detectors. Many grades of air pure gas are available. ALPHAGAZ™ 1 and ALPHAGAZ™ 2 are the premier grades used in research and analysis, and work perfectly in applications such as flame gas (GC, FID, AAS, THC, FPD), process gas (LCMS and NMR), purge gas (FTIR) and zero gas (FTIR).

Gas Properties

Gas UN # Gas Volume* Gas per litre of Liquid DG CLASS
Air UN1002 0.816m³ ― m³ 2.2
* in Standard conditions, 15 °C and 1 atm (101.325 kPa) 

Did you know?

  • The initial measurements of the constituents of air, with the exception of argon, were improved and summarised in the early 1800s by John Dalton.

  • Earth's atmosphere is (with very small percentages of other elements (neon, helium, krypton, methane, hydrogen, xenon and radon)):

    • 78.09 % nitrogen

    • 20.94 % oxygen

    • 0.93 % argon

    • 0.04 % carbon dioxide

Discover more about air's properties, volumes, applications, safety & compatability and much more with Air Liquide's Gas Encyclopedia.

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