Nitrogen (N2) is a colorless, odorless and tasteless gas. It is nonflammable and it will not support combustion.Nitrogen (N2) is used in a broad range of industries, including chemicals, pharmaceuticals, petroleum processing, glass and ceramic manufacture, steelmaking and other metals refining and fabrication processes, pulp and paper manufacture, and healthcare.One of the main applications of nitrogen is blanketing, purging and sparging in the food and chemical industries. It can also be found in modified atmoshphere packages (MAP) for foodstuffs. In liquid form, it is an agent to shock-freeze food, store biological material, perform cryosurgery and cryogenically grind plastics and rubbers, for instance.In the semiconductor industry, N2 is used in large quantities as a purge and carrier gas. In electronics, it acts as an inerting agent for epitaxial reactors. It is also useful as a carrier, zero and balancing gas in laboratory analysis. Other common applications include heat treatment, the production of ammonia, fire extinguishing in mines, tyre filling, shrink-fitting and cold traps, where nitrogen can help to increase vacuum efficiency.In chemical and petroleum industries, nitrogen mainly used for inerting reactors and storage tanks, purging vessels and pipelines of consists flammable, toxic gases and vapour. Sparging and pressure transfer of liquids.
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