Chemical Symbol: N2
Synonyms: LIN

Description:
Nitrogen is colorless, odorless, tasteless, nontoxic, inert and represents 78.08 percent of the atmosphere. Nitrogen is nonflammable and does not support combustion. It is slightly soluble in water and most other liquids. Nitrogen does not conduct heat and electricity well.


Uses:
Nitrogen has a wide range of uses. As a gas it is used for heat treatment, blanketing of oxygen sensitive liquids, production of semiconductor electronic components, blowing of foam type plastic, food processing and packing, inhibition of aerobic bacteria growth and magnesium reduction of aluminum scrap. It is also used for pressurizing aircraft tires and emergency bottles to operate the landing gear, as well as purging of air-conditioners, refrigerators, electronic devices, high-voltage compression cables and pipelines.

Liquid nitrogen is used for freezing of perishable foods, deflashing of rubber tires, cooling of concrete, cooling of electronic equipment, pulverizing plastics and simulating the conditions in outer space. Furthermore, liquid nitrogen can be used for freezing of liquids in pipelines for emergencies, low temperature stabilization and hardening of metals, preservation of blood, sperm and other biologicals and refrigeration of foods, as well as in missile and space programs.