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Tech Guide 4 Welcome to LN2 May 20, 2009

Nitrogen is the largest single constituent of the Earth's atmosphere (78.082% by volume of dry air, 75.3% by weight in dry air). It is created by fusion processes in stars, and is estimated to be the 7th most abundant chemical element by mass in the universe.Nitrogen is a pure element, just as oxy

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Tech Guide 4 Welcome to LN2 May 20, 2009

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