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n.o.s. = not otherwise specified meaning a collective entry to which substances, mixtures, solutions or articles may be assigned if a) they are not mentioned by name in 3.2 Dangerous Goods List AND b) they exhibit chemical, physical and/or dangerous properties corresponding to the Class, classification code, packing group and the name and description of the n.o.s. entry [2]
Acetylene is a moderately common chemical in the universe, often associated with the atmospheres of gas giants. [50] One curious discovery of acetylene is on Enceladus, a moon of Saturn. Natural acetylene is believed to form from catalytic decomposition of long-chain hydrocarbons at temperatures of 1,700 K (1,430 °C; 2,600 °F) and above ...
Matheson Tri-Gas, Inc. produces industrial, medical, and specialty gases, and associated gas handling equipment, in North America.MATHESON offers semiconductor, medical, welding, atmospheric gases, rare gases delivered via pipelines, onsite generators, bulk tanks, and in gas cylinders to customers using gases in their labs, semiconductor fabs, hospitals, chemical plants, manufacturing and many ...
Air Liquide S.A. (/ ˌ ɛər l ɪ ˈ k iː d / AIR lih-KEED, French: [ɛːʁ likid]; literally "liquid air") is a French multinational company which supplies industrial gases and services to various industries including medical, chemical and electronic manufacturers. Founded in 1902, after Linde it is the second largest supplier of industrial ...
Airgas, an Air Liquide company, is an American supplier of industrial, medical and specialty gases (delivered in packaged or cylinder form), as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products and process chemicals.
As a fuel, acetylene's primary disadvantage in comparison to other fuels is its high price. As acetylene is unstable at a pressure roughly equivalent to 33 ft (10 m) underwater, water-submerged cutting and welding is reserved for hydrogen rather than acetylene. Compressed gas cylinders containing oxygen and MAPP gas
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A gas regulator attached to a nitrogen cylinder. Industrial gases are the gaseous materials that are manufactured for use in industry.The principal gases provided are nitrogen, oxygen, carbon dioxide, argon, hydrogen, helium and acetylene, although many other gases and mixtures are also available in gas cylinders.