Specialty gases typically refer to calibration gases, zero gases, carrier gases, span gases, instrumentation gases and bump test gases. They may be either pure gases or gas mixtures containing components at concentrations extending from the per cent range down to part per billion and sometimes even part per trillion.

Specialty gases are used in analytical methods such as gas and liquid chromatography as well as Fourier transform infrared (FTIR) and non-dispersive infrared (NDIR). 

Proper specialty equipment, including dedicated pressure regulators and distribution systems, should always be used with specialty gases to ensure the quality grade of the gas is not compromised through contact with sub-standard components. Generally speaking, the higher the quality grade of the gas, the higher the equipment quality should be.

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Make smart choices for your laser operations

Gas purity is critical to maintaining laser productivity. The Airgas Smart Indicating Purifier helps purify the gas stream to the resonator and provides early warning of gas impurities to prevent damage to resonator optics and electrodes. As the purifier media changes color, you’ll have a quick, clear indication that contaminants have entered your gas stream.

SPECIALTY GASES

Liquid Helium

 Used to cool superconductive magnetic coils in magnetic resonance imaging (MRI) and nuclear magnetic resonance (NMR) medical equipment.