Liquid Nitrogen Safety Deal With Knowledge
Edit: Henan Tianchi Instrument Equipment Co., Ltd Date:2017-08-29
Liquid Nitrogen Safety Deal With Knowledge
1) Liquid nitrogen is cold enough to cause severe frostbite upon contact with living tissue.
1) Liquid nitrogen is cold enough to cause severe frostbite upon contact with living tissue.
2) Wear proper safety gear when handling liquid nitrogen to prevent contact or inhalation of extremely cold vapor. Make sure exposed skin surfaces are covered and preferably insulated.
3) Because it boils so rapidly, the phase transition from liquid to gas can generate a lot of pressure very quickly. Do not enclose liquid nitrogen in a sealed container, as this may result in bursting or an explosion.
4) Adding a lot of nitrogen to the air reduces the relative amount of oxygen. This can result in an asphyxiation risk. Cold nitrogen gas is heavier than air, so the risk is greatest near the ground. Use liquid nitrogen in a well-ventilated area.
5) Liquid nitrogen containers may accumulate oxygen which is condensed from the air. As the nitrogen evaporates, there is a risk of violent oxidation of organic matter.
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