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Liquid Nitrogen Safety Guidelines

Hudson Valley Community College Liquid Nitrogen Safety Guidelines INTRODUCTION Nitrogen makes up the major portion of the atmosphere (78% by volume). Nitrogen is inert and will not support combustion; however, it is an asphyxiant that does not provide the oxygen necessary to support life. When gaseous Nitrogen is converted to Liquid form it becomes a cryogenic Liquid . cryogenic liquids are liquefied gases with a boiling point below -150oC (-238oF) that are kept in their Liquid state at extremely low temperatures . Liquid Nitrogen is a colorless, odorless, inert and non-toxic cryogenic Liquid with a boiling point of -320oF (-196oC). cryogenic liquids are characterized by their extremely low temperature and by their extremely high expansion rate when their physical state changes from Liquid to gas. Other examples of common cryogens include Liquid helium, hydrogen, argon, oxygen and methane.

cryogenic liquid. Cryogenic liquids are liquefied gases with a boiling point below -150. o. C (-238. o. F) that are kept in their liquid state at extremely low temperatures. Liquid nitrogen is a colorless, odorless, inert and non-toxic cryogenic liquid with a boiling point of -320. o. F (-196. o. C). Cryogenic liquids are

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  Guidelines, Liquid, Safety, Temperatures, Nitrogen, Cryogenic, Liquid nitrogen safety guidelines

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