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Uranium trioxide UO3 PubChem
Uranium trioxide. trioxouranium. Uranium oxide (UO3) EINECS 215-701-9. 1344-58-7. More Molecular Weight: 286.027 g/mol. Dates: Modify: 2020-10-10. Create: 2005-03-27. Contents. 1 Structures Expand this section. 2 Names and Identifiers Expand this section. 3 stone and Physical Properties Expand this section. 4 Related Records Expand this section. 5 stone Vendors. 6 Use and
Uranium trioxide Substance Information ECHA
Uranium trioxide. Regulatory process names 1 IUPAC names 1 Other identifiers 1 ↓Groups: Print infocard Open Substance Regulatory Obligations. Substance identity Substance identity. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. The substance identifiers displayed in the InfoCard are the best available substance name, EC
Uranium trioxide WikiMili, The Best Wikipedia Reader
Uranium trioxide (UO3), also called uranyl oxide, uranium(VI) oxide, and uranic oxide, is the hexavalent oxide of uranium. The solid may be obtained by heating uranyl nitrate to 400 °C. Its most commonly encountered polymorph, γ-UO3, is a yellow-orange powder.
Uranium trioxide Simple English Wikipedia, the free
Uranium trioxide (UO 3), also called uranyl oxide, uranium(VI) oxide, and uranic oxide, is an oxide of uranium. UO 3 is a hexavalent oxide, which means that the uranium in the compound has an oxidation state of +6. It can be formed by heating uranyl nitrate to 400 °C. UO 3 is a poisonous and slightly radioactive substance. It can be harmful if it is breathed in, ingested, or makes contact
Uranium Trioxide, UO3
Uranium Trioxide, Uranic Oxide, Uranic Anhydride, or Uranyl Oxide, UO3, is obtained when uranic acid, ammonium diuranate, or ammonium uranyl carbonate is heated to a temperature not exceeding 300° C.
A cubic form of uranium trioxide ScienceDirect
L~ A CUBIC FORM OF URANIUM TRIOXIDE By E. W.rr Atomic ~ Research Eatablishracnt, Harwl, DiVot, Berks (Received 7 March 1955) AImract--The crystal structure of a uranium oxide phase of composition UO,.n has been determined by X-ray powder diffraction techniques using a GuinLer-type focusing camera.
Uranium trioxide and the UO3 hydrates ScienceDirect
RESULTS AND DISCUSSION I. Preparation and characterization of UOa Various reactions have previously been utilized in the preparation of uranium trioxide. These include the thermal decomposition of "ammonium diuranate", uranium peroxide hydrate, uranyl nitrate and the UO3 hydrates, as well as oxidation of UaO8 and other uranium compounds.
Uran(VI)-oxid Wikipedia
Uran (VI)-oxid (auch Urantrioxid, UO 3) ist eine chemische Verbindung des Urans, die je nach Modifikation gelbe oder orange Kristalle bildet und zu den Schwermetall oxiden gehört.
Uranium trioxide Simple English Wikipedia, the free
Uranium trioxide (UO 3), also called uranyl oxide, uranium(VI) oxide, and uranic oxide, is an oxide of uranium. UO 3 is a hexavalent oxide, which means that the uranium in the compound has an oxidation state of +6. It can be formed by heating uranyl nitrate to 400 °C. UO 3 is a poisonous and slightly radioactive substance. It can be harmful if it is breathed in, ingested, or makes contact
Uranium trioxide Substance Information ECHA
Uranium trioxide. Regulatory process names 1 IUPAC names 1 Other identifiers 1 ↓Groups: Print infocard Open Substance Regulatory Obligations. Substance identity Substance identity. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. The substance identifiers displayed in the InfoCard are the best available substance name, EC
Uranium trioxide Infogalactic: the planetary knowledge
While uranium trioxide is encountered as a polymeric solid under ambient conditions, some work has been done on the molecular form in the gas phase, in matrix isolations studies, and computationally. Gas phase. At elevated temperatures gaseous UO 3 is in equilibrium with solid U 3 O 8 and molecular oxygen. 2 U 3 O 8 (s) + O 2 (g) ⇌ 6 UO 3 (g) With increasing temperature the equilibrium is
Uranium Trioxide, UO3
Uranium Trioxide, Uranic Oxide, Uranic Anhydride, or Uranyl Oxide, UO 3, is obtained when uranic acid, ammonium diuranate, or ammonium uranyl carbonate is heated to a temperature not exceeding 300° C.When uranyl nitrate is similarly heated the product always contains basic nitrate, but if this product is heated in a current of oxygen at 500° C. it yields pure uranium trioxide.
Uranium Trioxide stone Formula Easycalculation
Uranium Trioxide stone Formula. Uranium Trioxide is a powdered compound appears in yellow-orange color. It is highly soluble in nature. It can be expressed using the stone formula UO 3.Uranyl oxide, uranium(VI) oxide, and uranic oxide are the other names of UO 3.Solid Uranium trioxide is obtained by heating uranyl nitrate at 400 degree celcius.
Uranium trioxide definition of uranium trioxide by The
Define uranium trioxide. uranium trioxide synonyms, uranium trioxide pronunciation, uranium trioxide translation, English dictionary definition of uranium trioxide. n. A poisonous radioactive orange polymorphic solid, UO3, used for uranium refining and as a coloring agent in ceramics. Uranium trioxide definition of uranium trioxide by The Free Dictionary . https://thefreedictionary
Uranium trioxide In SNST, Lanzhou University
Uranium trioxide (UO 3), also called polymorph, γ-UO 3, is a yellow-orange powder. Production and use. There are three methods to generate uranium trioxide. As noted below, two are used industrially in the reprocessing of nuclear fuel and uranium enrichment. U 3 O 8 can be oxidized at 500°C with oxygen. Note that above 750°C even in 5 atm O 2 UO 3 decomposes into U 3 O 8. MOX fuel rods
Uranium trioxide and the UO3 hydrates ScienceDirect
Uranium trioxide and the UO3 hydrates 1845 Precipitation occurs when polymerization has proceeded to a point where the species is no longer soluble. A UQ hydrate is deposited from aqueous solution and one may envisage this as an hydrated polymer, i.e. a polymer containing double hydroxyl bridges, uo.,/[ "uo., / \ n The somewhat variable propemes of the UOz hydrates may be understood more
Uran(VI)-oxid Wikipedia
Darstellung. Uran(VI)-oxid wird durch Erhitzen von Uranylverbindungen wie Uranylnitrat-Hexahydrat in einer Sauerstoffatmosphäre bei 600 °C dargestellt.. Es kann auch durch Reaktion von Uran(V,VI)-oxid mit Sauerstoff bei hohem Druck dargestellt werden, wobei je nach Druck und Temperatur verschiedene Modifikationen entstehen. + Eigenschaften
Uranium oxide Wikipedia
Uranium trioxide or uranium(VI) oxide (UO 3) Triuranium octoxide (U 3 O 8), the most stable uranium oxide; yellowcake typically contains 70 to 90 percent triuranium octoxide) Uranyl peroxide (UO 2 O 2 or UO 4) Uranium dioxide is oxidized in contact with oxygen to form triuranium octoxide. 3 UO 2 + O 2 → U 3 O 8; at 700 °C (970 K) Preparation 38. During World War II, "Preparation 38" was the
Uranium trioxide In SNST, Lanzhou University
Uranium trioxide (UO 3), also called polymorph, γ-UO 3, is a yellow-orange powder. Production and use. There are three methods to generate uranium trioxide. As noted below, two are used industrially in the reprocessing of nuclear fuel and uranium enrichment. U 3 O 8 can be oxidized at 500°C with oxygen. Note that above 750°C even in 5 atm O 2 UO 3 decomposes into U 3 O 8. MOX fuel rods
Uranium_trioxide
Uranium trioxide Other names Uranyl oxide Identifiers CAS number: 1344-58-7: Properties Molecular formula: UO 3: Molar mass: 286.2873 g/mol Commercial samples may have undergone isotope fractionation, and their formula mass may be significantly different Density: 5.5 8.7 g/cm 3: Melting point ~ 200 650 °C decomp. (s) Solubility in
Uranium trioxide Simple English Wikipedia, the free
Uranium trioxide (UO 3), also called uranyl oxide, uranium(VI) oxide, and uranic oxide, is an oxide of uranium.UO 3 is a hexavalent oxide, which means that the uranium in the compound has an oxidation state of +6. It can be formed by heating uranyl nitrate to 400 °C.
Uranium trioxide enacademic
IUPAC name Uranium trioxide Uranium(VI) oxide
WebElements Periodic Table » Uranium » uranium trioxide
The table shows element percentages for UO 3 (uranium trioxide). Element % O: 16.78: U: 83.22: Isotope pattern for UO 3. The chart below shows the calculated isotope pattern for the formula UO 3 with the most intense ion set to 100%. References. The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following. R.T
Uranium Trioxide stone Formula Easycalculation
Uranium Trioxide stone Formula. Uranium Trioxide is a powdered compound appears in yellow-orange color. It is highly soluble in nature. It can be expressed using the stone formula UO 3.Uranyl oxide, uranium(VI) oxide, and uranic oxide are the other names of UO 3.Solid Uranium trioxide is obtained by heating uranyl nitrate at 400 degree celcius.
Urantrioxid Uranium trioxide qwe.wiki
Urantrioxid Uranium trioxide. Aus Wikipedia, der freien Enzyklopädie. Urantrioxid Namen IUPAC-Namen. Urantrioxid Uran (VI) -oxid. Andere Namen Uranyl Oxid Uran Oxid. Identifiers CAS-Nummer. 1344-58-7 ; ECHA Infocard: 100.014.274: Eigenschaften Chemische Formel. UO 3: Molmasse: 286,29 g / mol Aussehen gelb-orangefarbenes Pulver Dichte : 5,5-8,7 g / cm 3: Schmelzpunkt ~ 200-650 ° C
Uranium Trioxide IBILABS
Uranium Trioxide: Synonyms: uranium(VI) oxide: Formula: UO3: Molecular Formula: O3U: Molecular Weight: 286.027: CAS RN: 1344-58-7: Properties-100 mesh; has six forms; α is hex brown, β is orange monocl, γ is bright yellow rhomb, δ is red cub, ε is stone red tricl, η is rhomb; UO3 can be obtained by thermal descomposition of uranyl compounds, e.g carbonates, oxalates nitrates [KIR83
Uranium oxide Wikipedia
Uranium trioxide or uranium(VI) oxide (UO 3) Triuranium octoxide (U 3 O 8), the most stable uranium oxide; yellowcake typically contains 70 to 90 percent triuranium octoxide) Uranyl peroxide (UO 2 O 2 or UO 4) Uranium dioxide is oxidized in contact with oxygen to form triuranium octoxide. 3 UO 2 + O 2 → U 3 O 8; at 700 °C (970 K) Preparation 38. During World War II, "Preparation 38" was the
Trioxyde d'uranium — Wikipédia
Le trioxyde d'uranium présente la même dangerosité que l'uranyle : outre sa nocivité par radioactivité lorsqu'il est enrichi en isotopes radioactifs de l'uranium, UO 3 est également chimiquement toxique pour l'organisme et s'accumule dans les tissus où il altère les chromosomes jusqu'à provoquer des cancers et des affections congénitales lorsqu'il atteint les gamètes.
Uranium_trioxide
Uranium trioxide Other names Uranyl oxide Identifiers CAS number: 1344-58-7: Properties Molecular formula: UO 3: Molar mass: 286.2873 g/mol Commercial samples may have undergone isotope fractionation, and their formula mass may be significantly different Density: 5.5 8.7 g/cm 3: Melting point ~ 200 650 °C decomp. (s) Solubility in
Uranium trioxide wikidoc
Uranium trioxide (UO 3), also called uranyl oxide, uranium(VI) oxide, and uranic oxide, is the hexavalent oxide of uranium.The solid may be obtained by heating uranyl nitrate to 400 °C. Its most commonly encountered polymorph, γ-UO 3, is a yellow-orange powder.. Production and use. There are three methods to generate uranium trioxide.
Uranium Trioxide IBILABS
Uranium Trioxide: Synonyms: uranium(VI) oxide: Formula: UO3: Molecular Formula: O3U: Molecular Weight: 286.027: CAS RN: 1344-58-7: Properties-100 mesh; has six forms; α is hex brown, β is orange monocl, γ is bright yellow rhomb, δ is red cub, ε is stone red tricl, η is rhomb; UO3 can be obtained by thermal descomposition of uranyl compounds, e.g carbonates, oxalates nitrates [KIR83
Uranium Trioxide stone Formula Easycalculation
Uranium Trioxide stone Formula. Uranium Trioxide is a powdered compound appears in yellow-orange color. It is highly soluble in nature. It can be expressed using the stone formula UO 3.Uranyl oxide, uranium(VI) oxide, and uranic oxide are the other names of UO 3.Solid Uranium trioxide is obtained by heating uranyl nitrate at 400 degree celcius.
Uranium trioxide dictionary definition uranium trioxide
uranium trioxide definition: nounA poisonous radioactive orange polymorphic solid, UO3, used for uranium refining and as a coloring agent in ceramics....
uranium trioxide Uranium trioxide qwe.wiki
Uranium trioxide wordt geleverd tussen verwerkingsfaciliteiten in de vorm van een gel, meestal van mijnen om de conversie te planten. Wanneer gebruikt voor de conversie, worden alle uraniumoxides vaak opgewerkt uranium (Repu). Cameco Corporation, die werkt op 's werelds grootste uranium raffinaderij in Blind River, Ontario, produceert hoogzuivere uranium trioxide. Vermeld is dat de corrosie
Uranium oxide Wikipedia
Uranium trioxide or uranium(VI) oxide (UO 3) Triuranium octoxide (U 3 O 8), the most stable uranium oxide; yellowcake typically contains 70 to 90 percent triuranium octoxide) Uranyl peroxide (UO 2 O 2 or UO 4) Uranium dioxide is oxidized in contact with oxygen to form triuranium octoxide. 3 UO 2 + O 2 → U 3 O 8; at 700 °C (970 K) Preparation 38. During World War II, "Preparation 38" was the
Reduction Kinetics of Uranium Trioxide to Uranium Dioxide
This means that hydrogen, by reducing the uranium trioxide, form networks of uranium dioxide and uranium trioxide. In the case of U 3O 8: U O 2UO UO 38 3 2= ∗ (4) As the process go through, the U3O8 reduction continues to form the uranium oxide U3O7. This latter com- pound has oxidation state (+5) in its structure [10], which is unstable under these temperature c- conditions. A
Uranium Oxide Powder AMERICAN ELEMENTS
Uranium dioxide, uranium(IV) oxide, urania, uranous oxide, dioxouranium, uranium monoxide (UO, CAS 12035-97-1), uranium trioxide (UO3 CAs 1344-58-7), nuclear reference material 238UO2. stone Identifiers. Linear Formula: UO 2: MDL Number: N/A: EC No. 215-700-3: Pubchem CID: 10916: IUPAC Name: dioxouranium: SMILES: O=[U]=O: InchI Identifier: InChI=1S/2O.U : InchI Key:
Trioxyde d'uranium — Wikipédia
Le trioxyde d'uranium présente la même dangerosité que l'uranyle : outre sa nocivité par radioactivité lorsqu'il est enrichi en isotopes radioactifs de l'uranium, UO 3 est également chimiquement toxique pour l'organisme et s'accumule dans les tissus où il altère les chromosomes jusqu'à provoquer des cancers et des affections congénitales lorsqu'il atteint les gamètes.