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GFS Chemicals Inc, formerly known as G. Frederick Smith Chemical Company, [1] is a privately owned fine and specialty chemical company with headquarters in Powell, Ohio and manufacturing facilities in Columbus, Ohio.
Liquid nitrogen is a compact and readily transported source of dry nitrogen gas, as it does not require pressurization. Further, its ability to maintain temperatures far below the freezing point of water, specific heat of 1040 J ⋅kg -1 ⋅K -1 and heat of vaporization of 200 kJ⋅kg -1 makes it extremely useful in a wide range of applications ...
However, all of the nitrogen is provided by the air top-up, so the partial pressure of the nitrogen is calculated in a similar way as for helium, which allows the pressure of the air to be calculated, assuming nitrogen to be 79% of the air. In the Tx 20/40 example, the fraction of nitrogen is 100% - (20% + 40%) = 40%.
The most common use of nitrox mixtures containing oxygen in higher proportions than atmospheric air is in scuba diving, where the reduced partial pressure of nitrogen is advantageous in reducing nitrogen uptake in the body's tissues, thereby extending the practicable underwater dive time by reducing the decompression requirement, or reducing ...
Nitro compounds are explosive because although the diatomic form of nitrogen is very stable—that is, the triple bond that holds N 2 together is very strong, and therefore has a great deal of bond energy—the nitro compounds themselves are unstable, as the bonds between nitrogen atoms and other atoms in nitro compounds are weak by comparison.
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The Wasserstrom Company is a restaurant supplier based in Columbus, Ohio with distribution centers located across North America. [2] The Wasserstrom Company is a family-owned and operated business that was founded in 1902 by Nathan Wasserstrom. [3]
Packets of dry snack foods, such as this packet of Wotsits, commonly use nitrogen as a packaging gas to keep the contents from going stale or damp prior to being opened.. A packaging gas is used to pack sensitive materials such as food into a modified atmosphere environment.