Liquide Nitrogene

Why liquid nitrogen is dangerous?

This text is an extract of TIME magazine. Written by olivia B.waxman October 10, 2012. He speaks mainly of liquid nitrogen and the querys that arise about it. This text poses a problem that is directly announced in the title (why liquid nitrogen is dangerous?). In this sentence there are two shocking and eye-catching words, aiming to attract readers. However, the real problem is that text (liquid nitrogen is really dangerous?)

This article begins by describing the accident that highlighted the danger of liquid nitrogen.

Indeed, we are told that an English 18 year old has been hospitalized after ingesting a cocktail prepared with liquid nitrogen. She underwent an emergency gastrectomy. This drama caused a lot of attention by the public, but also professional scientists, chefs and bartenders.

Liquid nitrogen is nitrogen in a liquid state at an extremely low temperature. It is produced industrially by fractional distillation of liquid air. Liquid nitrogen is a colorless clear liquid. Liquid nitrogen is often referred to by the abbreviation, LN2. At atmospheric pressure, liquid nitrogen boils at −195.79 ° and is a cryogenic fluid that can cause rapid freezing on contact with living tissue.

The text has a paragraph that lists the main uses of this compound. In medicine, to freeze off warts, to eliminate cancerous cells…

In kitchen (ice cream, flash-freeze herbs or freeze cocktail )

The article states the numerous criticisms of liquid nitrogen when used in cooking. Evidently liquid nitrogen is extremely dangerous. However, it is possible to use without any danger. Therefore it is mandatory to comply with safety rules. We are told that, the main point is that liquid notrogen must be fully evaporated from the meal or drink before serving.

Liquid nitrogen is a wonderful tool, but it must be used with care.

Dave Arnold said something that responds well to the question posed.”It’s like so many things in life. If it is used improperly, there are hazards. A deep-fryer also has dangers when people are using it without training and guidance.”

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