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- Forming_gas abstract "Forming gas is a mixture of hydrogen (mole fraction varies) and nitrogen. It is sometimes called a \"dissociated ammonia atmosphere\" due to the reaction which generates it:2 NH3 → 3H2+ N2It can be also manufactured by thermal cracking of ammonia in an ammonia cracker or forming gas generator.Forming gas is used as an atmosphere for processes that need the properties of hydrogen gas. Typical forming gas formulations (5% H2 in N2) are not explosive. It is used in chambers for gas hypersensitization, a process in which photographic film is heated in forming gas to drive out moisture and oxygen and to increase the base fog of the film. Hypersensitization is used particularly in deep-sky astrophotography, which deals with low-intensity incoming light, requires long exposure times, and is thus particularly sensitive to contaminants in the film.Forming gas is also used to regenerate catalysts in glove boxes and as an atmosphere for annealing processes. It can be purchased at welding supply stores. It is sometimes used as a reducing agent for low and high-temperature soldering and brazing, to remove oxidation of the joint without the use of flux.Quite often forming gas is used in furnaces during annealing for the thermal treatment of steel, because it reduces oxides on the metal surface.".
- Forming_gas wikiPageID "8791730".
- Forming_gas wikiPageLength "2474".
- Forming_gas wikiPageOutDegree "24".
- Forming_gas wikiPageRevisionID "670487464".
- Forming_gas wikiPageWikiLink Ammonia.
- Forming_gas wikiPageWikiLink Annealing_(metallurgy).
- Forming_gas wikiPageWikiLink Astrophotography.
- Forming_gas wikiPageWikiLink Brazing.
- Forming_gas wikiPageWikiLink Catalysis.
- Forming_gas wikiPageWikiLink Category:Brazing_and_soldering.
- Forming_gas wikiPageWikiLink Category:Gases.
- Forming_gas wikiPageWikiLink Category:Industrial_gases.
- Forming_gas wikiPageWikiLink Category:Metal_heat_treatments.
- Forming_gas wikiPageWikiLink Category:Welding.
- Forming_gas wikiPageWikiLink Endothermic_gas.
- Forming_gas wikiPageWikiLink Flux_(metallurgy).
- Forming_gas wikiPageWikiLink Glovebox.
- Forming_gas wikiPageWikiLink Hydrogen.
- Forming_gas wikiPageWikiLink Nitrogen.
- Forming_gas wikiPageWikiLink Oxygen.
- Forming_gas wikiPageWikiLink Photographic_film.
- Forming_gas wikiPageWikiLink Photographic_hypersensitization.
- Forming_gas wikiPageWikiLink Redox.
- Forming_gas wikiPageWikiLink Reducing_agent.
- Forming_gas wikiPageWikiLink Shutter_speed.
- Forming_gas wikiPageWikiLink Soldering.
- Forming_gas wikiPageWikiLink Welding.
- Forming_gas wikiPageWikiLinkText "Dissociated ammonia".
- Forming_gas wikiPageWikiLinkText "Forming gas".
- Forming_gas wikiPageWikiLinkText "cracked ammonia".
- Forming_gas wikiPageWikiLinkText "forming gas hypersensitization".
- Forming_gas wikiPageWikiLinkText "forming gas".
- Forming_gas subject Category:Brazing_and_soldering.
- Forming_gas subject Category:Gases.
- Forming_gas subject Category:Industrial_gases.
- Forming_gas subject Category:Metal_heat_treatments.
- Forming_gas subject Category:Welding.
- Forming_gas hypernym Mixture.
- Forming_gas type ChemicalSubstance.
- Forming_gas type Mechanic.
- Forming_gas type Process.
- Forming_gas type Thermodynamic.
- Forming_gas comment "Forming gas is a mixture of hydrogen (mole fraction varies) and nitrogen. It is sometimes called a \"dissociated ammonia atmosphere\" due to the reaction which generates it:2 NH3 → 3H2+ N2It can be also manufactured by thermal cracking of ammonia in an ammonia cracker or forming gas generator.Forming gas is used as an atmosphere for processes that need the properties of hydrogen gas. Typical forming gas formulations (5% H2 in N2) are not explosive.".
- Forming_gas label "Forming gas".
- Forming_gas sameAs Q664848.
- Forming_gas sameAs Formiergas.
- Forming_gas sameAs Forming_gas.
- Forming_gas sameAs m.027jxr0.
- Forming_gas sameAs Формувальний_газ.
- Forming_gas sameAs Q664848.
- Forming_gas sameAs 合成气体.
- Forming_gas wasDerivedFrom Forming_gas?oldid=670487464.
- Forming_gas isPrimaryTopicOf Forming_gas.