Nitrogen

Nitrogen is used as an inert gas especialy to create, in combination with hydrogen, a reductive atmosphere over the tin bath in the float glass process.

Industrial Use

• Nitrogen can be used for blanketing, as well as for storage for protecting raw materials or finished products in liquid form from the formation of peroxides and/or gum, and from contamination by oxygenated components
• Nitrogen is used as a carrier gas in gas chromatography, Nitrogen is the balance gas of the calibration gas mixtures for environmental monitoring systems and industrial hygiene gas mixtures.
• Nitrogen is largely used as purge, dryier or blanket gas for analyzers or chemical reactors (under gaseous state or at low temperature liquid state).
• Heat treatment of various metals.
• Nitrogen is a component of the special mixtures used in CO₂ Lasers.

Medical Use

• Low-temperature preservation of living tissues and cells.

Use In Food Industry

• Liquid nitrogen is the mostly used cryogenic fluid, to chill, freeze or store food products. Gaseous nitrogen is commonly used in contact with foodstuffs to avoid oxidation or micro-organism growth by inerting of liquids. Modified Atmosphere Packaging (MAP) preserves and protects foods ( pure nitrogen or mixed with CO₂).