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- Chemical_transport_reaction abstract "In chemistry, a chemical transport reaction describes a process for purification and crystallization of non-volatile solids. The process is also responsible for certain aspects of mineral growth from the effluent of volcanoes. The technique is distinct from chemical vapor deposition, which usually entails decomposition of molecular precursors (e.g. SiH4 → Si + 2H2) and which gives conformal coatings.The technique, which was popularized by Schäfer, entails the reversible conversion of nonvolatile elements and chemical compounds into volatile derivatives. The volatile derivative migrates throughout a sealed reactor, typically a sealed and evacuated glass tube heated in a tube furnace. Because the tube is under a temperature gradient, the volatile derivative reverts to the parent solid and the transport agent is released at the end opposite to which it originated (see next section). The transport agent is thus catalytic. The technique requires that the two ends of the tube (which contains the sample to be crystallized) be maintained at different temperatures. So-called two-zone tube furnaces are employed for this purpose. The method derives from the Van Arkel de Boer process which was used for the purification of titanium and vanadium and uses iodine as the transport agent.".
- Chemical_transport_reaction thumbnail Titan-crystal_bar.JPG?width=300.
- Chemical_transport_reaction wikiPageID "12013342".
- Chemical_transport_reaction wikiPageLength "5398".
- Chemical_transport_reaction wikiPageOutDegree "24".
- Chemical_transport_reaction wikiPageRevisionID "670340108".
- Chemical_transport_reaction wikiPageWikiLink Catalysis.
- Chemical_transport_reaction wikiPageWikiLink Category:Inorganic_chemistry.
- Chemical_transport_reaction wikiPageWikiLink Category:Solid-state_chemistry.
- Chemical_transport_reaction wikiPageWikiLink Chemical_compound.
- Chemical_transport_reaction wikiPageWikiLink Chemical_element.
- Chemical_transport_reaction wikiPageWikiLink Chemical_vapor_deposition.
- Chemical_transport_reaction wikiPageWikiLink Chemistry.
- Chemical_transport_reaction wikiPageWikiLink Crystal_bar_process.
- Chemical_transport_reaction wikiPageWikiLink Crystallization.
- Chemical_transport_reaction wikiPageWikiLink Exothermic_process.
- Chemical_transport_reaction wikiPageWikiLink File:Titan-crystal_bar.JPG.
- Chemical_transport_reaction wikiPageWikiLink Halogen_lamp.
- Chemical_transport_reaction wikiPageWikiLink Hematite.
- Chemical_transport_reaction wikiPageWikiLink Hydrogen_chloride.
- Chemical_transport_reaction wikiPageWikiLink Iodine.
- Chemical_transport_reaction wikiPageWikiLink Iron(III)_chloride.
- Chemical_transport_reaction wikiPageWikiLink Iron(III)_oxide.
- Chemical_transport_reaction wikiPageWikiLink Molybdenum(IV)_oxide.
- Chemical_transport_reaction wikiPageWikiLink Solid.
- Chemical_transport_reaction wikiPageWikiLink Thermodynamics.
- Chemical_transport_reaction wikiPageWikiLink Tube_furnace.
- Chemical_transport_reaction wikiPageWikiLink Volatility_(chemistry).
- Chemical_transport_reaction wikiPageWikiLink Volcano.
- Chemical_transport_reaction wikiPageWikiLinkText "Chemical transport reaction".
- Chemical_transport_reaction wikiPageWikiLinkText "chemical transport reaction".
- Chemical_transport_reaction wikiPageWikiLinkText "chemical transport".
- Chemical_transport_reaction wikiPageWikiLinkText "transport experiments".
- Chemical_transport_reaction wikiPageWikiLinkText "transporting agent".
- Chemical_transport_reaction wikiPageUsesTemplate Template:Eqm.
- Chemical_transport_reaction wikiPageUsesTemplate Template:Reflist.
- Chemical_transport_reaction subject Category:Inorganic_chemistry.
- Chemical_transport_reaction subject Category:Solid-state_chemistry.
- Chemical_transport_reaction comment "In chemistry, a chemical transport reaction describes a process for purification and crystallization of non-volatile solids. The process is also responsible for certain aspects of mineral growth from the effluent of volcanoes. The technique is distinct from chemical vapor deposition, which usually entails decomposition of molecular precursors (e.g.".
- Chemical_transport_reaction label "Chemical transport reaction".
- Chemical_transport_reaction sameAs Q1069472.
- Chemical_transport_reaction sameAs Kemisk_transportreaktion.
- Chemical_transport_reaction sameAs Chemischer_Transport.
- Chemical_transport_reaction sameAs Reazione_di_trasporto_chimico.
- Chemical_transport_reaction sameAs Gastransportmethode.
- Chemical_transport_reaction sameAs Reação_química_de_transporte.
- Chemical_transport_reaction sameAs m.02vlycc.
- Chemical_transport_reaction sameAs Kimyasal_buğu_taşınımı.
- Chemical_transport_reaction sameAs Газотранспортні_реакції.
- Chemical_transport_reaction sameAs Q1069472.
- Chemical_transport_reaction wasDerivedFrom Chemical_transport_reaction?oldid=670340108.
- Chemical_transport_reaction depiction Titan-crystal_bar.JPG.
- Chemical_transport_reaction isPrimaryTopicOf Chemical_transport_reaction.