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- Sodium_diuranate abstract "Sodium diuranate or Yellow uranium oxide, Na2U2O7·6H2O, is a uranium salt also known as the yellow oxide of uranium. Along with ammonium diuranate it was a component in early yellowcakes, the ratio of the two species determined by process conditions; yellowcake is now largely a mix of uranium oxides. It is commonly referred to by the initials SDU. It was also used in porcelain dentures to give them a fluorescence similar to that of natural teeth and once used in pottery to produce ivory to yellow shades in glazes. It was added as a mix with cerium oxide. The uranium composed from 0.008 to 0.1% by weight uranium with an average of about 0.02%. The practice appears to have stopped in the late 1980s.In the classical procedure for extracting uranium, pitchblende is broken up and mixed with sulfuric and nitric acids. The uranium dissolves to form uranyl sulfate, and sodium hydroxide is added to make the uranium precipitate as sodium diuranate. This older method of extracting uranium from its uraninite ores has been replaced in current practice by such procedures as solvent extraction, ion exchange, and volatility methods.In the past it was widely used to produce uranium glass or vaseline glass, the sodium salt dissolving easily into the silica matrix during the firing of the initial melt.The alkaline process of milling uranium ores involves precipitating sodium uranate from the pregnant leaching solution to produce the semi-refined product referred to as yellowcake.Sodium Uranate may be obtained in the amorphous form by heating together urano-uranic oxide and sodium chlorate; or by heating sodium uranyl acetate or carbonate. The crystalline form is produced by adding the green oxide in small quantities to fused sodium chloride, or by dissolving the amorphous form in fused sodium chloride, and allowing crystallization to take place. It yields reddish-yellow to greenish-yellow prisms or leaflets.".
- Sodium_diuranate thumbnail Na2U2O7.png?width=300.
- Sodium_diuranate wikiPageExternalLink metallurgy.html.
- Sodium_diuranate wikiPageExternalLink 172.html.
- Sodium_diuranate wikiPageExternalLink JOM-9812-45F.pdf?OpenElement.
- Sodium_diuranate wikiPageExternalLink sodium-uranate-msds.
- Sodium_diuranate wikiPageExternalLink SearchByLicense.cfm?ID=BL&Region=1&Selected=True&SelectedLicenseNumber=C-01129.
- Sodium_diuranate wikiPageExternalLink sodium_uranate.html.
- Sodium_diuranate wikiPageExternalLink uranium.htm.
- Sodium_diuranate wikiPageID "4006161".
- Sodium_diuranate wikiPageLength "3941".
- Sodium_diuranate wikiPageOutDegree "31".
- Sodium_diuranate wikiPageRevisionID "699279528".
- Sodium_diuranate wikiPageWikiLink Alkalinity.
- Sodium_diuranate wikiPageWikiLink Ammonium_diuranate.
- Sodium_diuranate wikiPageWikiLink Category:Nuclear_materials.
- Sodium_diuranate wikiPageWikiLink Category:Sodium_compounds.
- Sodium_diuranate wikiPageWikiLink Category:Uranates.
- Sodium_diuranate wikiPageWikiLink Ceramic_glaze.
- Sodium_diuranate wikiPageWikiLink Cerium_oxide.
- Sodium_diuranate wikiPageWikiLink Dentures.
- Sodium_diuranate wikiPageWikiLink Fluorescence.
- Sodium_diuranate wikiPageWikiLink In_situ_leach.
- Sodium_diuranate wikiPageWikiLink Ion_exchange.
- Sodium_diuranate wikiPageWikiLink Liquid–liquid_extraction.
- Sodium_diuranate wikiPageWikiLink Nitric_acid.
- Sodium_diuranate wikiPageWikiLink Porcelain.
- Sodium_diuranate wikiPageWikiLink Pottery.
- Sodium_diuranate wikiPageWikiLink Precipitation_(chemistry).
- Sodium_diuranate wikiPageWikiLink Salt.
- Sodium_diuranate wikiPageWikiLink Silicon_dioxide.
- Sodium_diuranate wikiPageWikiLink Sodium.
- Sodium_diuranate wikiPageWikiLink Sodium_hydroxide.
- Sodium_diuranate wikiPageWikiLink Sulfuric_acid.
- Sodium_diuranate wikiPageWikiLink Tooth.
- Sodium_diuranate wikiPageWikiLink Uraninite.
- Sodium_diuranate wikiPageWikiLink Uranium.
- Sodium_diuranate wikiPageWikiLink Uranium_glass.
- Sodium_diuranate wikiPageWikiLink Uranium_oxide.
- Sodium_diuranate wikiPageWikiLink Uranyl_sulfate.
- Sodium_diuranate wikiPageWikiLink Volatility_(chemistry).
- Sodium_diuranate wikiPageWikiLink Yellowcake.
- Sodium_diuranate wikiPageWikiLinkText "Sodium diuranate".
- Sodium_diuranate wikiPageWikiLinkText "sodium diuranate".
- Sodium_diuranate imagefile "Na2U2O7.png".
- Sodium_diuranate verifiedfields "changed".
- Sodium_diuranate verifiedrevid "455337250".
- Sodium_diuranate watchedfields "changed".
- Sodium_diuranate wikiPageUsesTemplate Template:Cascite.
- Sodium_diuranate wikiPageUsesTemplate Template:Chembox.
- Sodium_diuranate wikiPageUsesTemplate Template:Chembox_Hazards.
- Sodium_diuranate wikiPageUsesTemplate Template:Chembox_Identifiers.
- Sodium_diuranate wikiPageUsesTemplate Template:Chembox_Properties.
- Sodium_diuranate wikiPageUsesTemplate Template:Cite_journal.
- Sodium_diuranate wikiPageUsesTemplate Template:Inorganic-compound-stub.
- Sodium_diuranate wikiPageUsesTemplate Template:Reflist.
- Sodium_diuranate wikiPageUsesTemplate Template:Sodium_compounds.
- Sodium_diuranate wikiPageUsesTemplate Template:Unreferenced.
- Sodium_diuranate wikiPageUsesTemplate Template:Uranium_compounds.
- Sodium_diuranate subject Category:Nuclear_materials.
- Sodium_diuranate subject Category:Sodium_compounds.
- Sodium_diuranate subject Category:Uranates.
- Sodium_diuranate hypernym Salt.
- Sodium_diuranate type ChemicalCompound.
- Sodium_diuranate type ChemicalSubstance.
- Sodium_diuranate type Chemical.
- Sodium_diuranate type Redirect.
- Sodium_diuranate type ChemicalObject.
- Sodium_diuranate type Thing.
- Sodium_diuranate type Q11173.
- Sodium_diuranate comment "Sodium diuranate or Yellow uranium oxide, Na2U2O7·6H2O, is a uranium salt also known as the yellow oxide of uranium. Along with ammonium diuranate it was a component in early yellowcakes, the ratio of the two species determined by process conditions; yellowcake is now largely a mix of uranium oxides. It is commonly referred to by the initials SDU.".
- Sodium_diuranate label "Sodium diuranate".
- Sodium_diuranate sameAs Q418442.
- Sodium_diuranate sameAs ثنائي_يورانات_الصوديوم.
- Sodium_diuranate sameAs Natriumdiuranat.
- Sodium_diuranate sameAs Natria_duuraniato.
- Sodium_diuranate sameAs Diuranate_de_sodium.
- Sodium_diuranate sameAs 重ウラン酸ナトリウム.
- Sodium_diuranate sameAs Natriumdiuranaat.
- Sodium_diuranate sameAs m.0bbl86.
- Sodium_diuranate sameAs m.0bc4td.
- Sodium_diuranate sameAs Диуранат_натрия.
- Sodium_diuranate sameAs Natrijum_diuranat.
- Sodium_diuranate sameAs Natrijum_diuranat.
- Sodium_diuranate sameAs Natri_điuranat.
- Sodium_diuranate sameAs Q418442.
- Sodium_diuranate wasDerivedFrom Sodium_diuranate?oldid=699279528.
- Sodium_diuranate depiction Na2U2O7.png.
- Sodium_diuranate isPrimaryTopicOf Sodium_diuranate.