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Using nitrogen as a cryogen

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Is it possible to achieve -200˚C using nitrogen as a cryogen?

1 Comment

  1. Dr. Glen McIntosh
    January 20, 2015

    Liquid nitrogen boils at 77.36K or -195.73˚C. at one atmosphere pressure. However, lowering the pressure to 0.579 atm lowers the liquid nitrogen boiling temperature to 73K or -200.15˚C.

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