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  • Argon

    Present in the atmosphere at the level of 0.9%, the argon is a neutral and colorless gas as the nitrogen.

    It does not maintain the life. It is widely used by industrials, due to its high level of chemical slowness:

    • avoids the oxidation of pigments;
    • limits the proliferation of bacteria;
    • protects food against the destruction;
    • reduces the respiratory coefficient of the raw vegetables;
    • inflate the car's air bags;
    • etc.