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liquid helium is inert, colorless, odorless, noncorrosive, extremely cold, and nonflammable. helium will not react with other elements or compounds under ordinary conditions. since helium is noncorrosive, special materials of construction are not required. however, materials must be suitable for use
less than % by volume in natural gas. helium is recovered, refined, and liquefied. liquid helium is typically shipped from production sources to storage and transfill facilities. tankers, ranging in size from to gallons, contain an annular space insulated with vacuum, nitrogen shielding, and multilayer...
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