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liquid nitrogen

Liquid nitrogen is a non-toxic, colorless, tasteless, odorless fluid with a boiling point of -196° C. On exposure to the air, it evaporates into the atmosphere quite rapidly. It is used mainly as a cryogen (refrigerant). It can cause severe burns on touch and must be handled safely.
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RDF/XMLCreated 2019-07-10, last modified 2019-11-25