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Lisa Shock

Lisa Shock

Frostbite is the least of a cook's worries with regards to unsafe handling of LN2. The liquid to gas ratio is 1:692 at 20°C. This means that LN2 which is not handled properly and is exposed to warmth (like room temperature) can cause a large explosion. One liter is enough to displace the air from a small room, making it potentially fatal to transport in elevators and cars, or use in an un-ventilated home kitchen. The gas is odorless and displaces air, but does not impede release of C02 from the lungs, so people do not feel like they are asphyxiating even when there is no oxygen left in the environment. They just lose consciousness and die within a few minutes.

Lisa Shock

Lisa Shock

Frostbite is the least of a cook's worries with regards to unsafe handling of LN2. The liquid to gas ratio is 1:692 at 20°C. This means that LN2 which is not handled properly and is exposed to warmth (like room temperature can cause a large explosion. One liter is enough to displace the air from a small room, making it potentially fatal to transport in elevators and cars, or use in an un-ventilated home kitchen. The gas is odorless and displaces air, but does not impede release of C02 from the lungs, so people do not feel like they are asphyxiating even when there is no oxygen left in the environment. They just lose consciousness and die within a few minutes.

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