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Where to get liquid nitrogen?

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If you require very large volumes of high-purity liquid nitrogen or nitrogen gas our on-site cryogenic air separation plants are a viable supply source for you. Praxair non-cryogenic nitrogen plants offer a range of product purities, 90% and higher, over a wide range of volumes. read more

Sometimes liquid nitrogen is denoted as LN 2, LN, or LIN. Liquid nitrogen has the UN number 1977. At normal pressure, liquid nitrogen boils at 77 K (−195. 8°C or −320. 4°F). The liquid to gas expansion ratio of nitrogen is 1:694, which means liquid nitrogen boils to fill a volume with nitrogen gas very quickly. read more

Liquid nitrogen's efficiency as a coolant is limited by the fact that it boils immediately on contact with a warmer object, enveloping the object in insulating nitrogen gas. This effect, known as the Leidenfrost effect, applies to any liquid in contact with an object significantly hotter than its boiling point. read more

Sometimes liquid nitrogen is denoted as LN 2, LN, or LIN. Liquid nitrogen has the UN number 1977. At normal pressure, liquid nitrogen boils at 77 K (−195.8°C or −320.4°F). The liquid to gas expansion ratio of nitrogen is 1:694, which means liquid nitrogen boils to fill a volume with nitrogen gas very quickly. read more

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