Zero Air is produced by mixing pure oxygen with pure nitrogen, thereby eliminating all impurities found in ambient air. N2 / O2. Zero Air is extensively used in laboratories. .
The most common use of zero air in GC is to provide oxidizing gas for detection. The most common flame ionization detectors (FID) measure the electrical conductivity of a very clean hydrogen/zero air flame to measure the presence of hydrocarbons in the sample. .
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