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Oxygen

Company : United States Welding Inc

UMDC Code : 452924

Oxygen, or O2, which comprises 21 percent of the earths atmosphere, supports life and makes combustion possible. The most abundant of all elements on earth, oxygen comprises 85 percent of its oceans and, as a component of most rocks and minerals, 46 percent of its solid crust. In addition, it constitutes 60 percent of the human body.Colorless, odorless and tasteless, oxygen has poor solubility in water. A specific gravity of 1.105 makes it slightly heavier than air. When cooled to its boiling point of -297F (-183C), oxygen becomes a transparent, pale blue liquid that is slightly heavier than water.

Product URL : http://www.uswelding.com/gases_atmospheric_oxygen.
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Last Updated : 03/16/2013

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