Share. Journal of Inorganic and Nuclear Chemistry 1964, 26 (8) , 1379-1380. Note:
Uranium tetrafluoride Names IUPAC names. Uranium tetrafluoride ; Names ; IUPAC names. uranium tetrafluoride; uranium(IV) fluoride rus. 2013. 6 The fluorine gas would have likely been used in the fluorination of uranium tetrafluoride. Translation for: 'uranium tetrafluoride' in English->Spanish dictionary. uranium tetrafluoride anion. 2013. uranium tails; uranium trioxide; Look at other dictionaries: It is used as electrolyte for the electroplating of refractory metals and compounds like titanium, tantalum, hafnium, zirconium and their borides. This consists essentially of following the change in weight of the solid phase using a spring balance. For many elements the highest known oxidation state can be achieved in a fluoride. Its most commonly encountered polymorph, γ-UO3, is a yellow-orange powder. UF 4 is reduced by magnesium to give the metal: [2] UF 4 + 2 Mg → U + 2 MgF 2. V. Gagarinskii; Article. Hence, plutonium is converted to the involatile tetrafluoride, and most fission products also form involatile fluorides, which remain in the reaction vessel when uranium hexafluoride is volatilized. Pure uranyl nitrate is obtained by solvent extraction, then treated with ammonia to produce ammonium diuranate ("ADU", (NH4)2U2O7). Formula: F 4 U-Molecular weight: 314.02307; Information on this page: Notes; Other data available: Gas phase ... uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. uranium tetrafluoride (UF4) Urantetrafluorid n; Green salt n. English-german technical dictionary. Its structure resembles that of quartz, but BeF2 is highly soluble in water. Uranium tetrafluoride. Regulatory process names 4 IUPAC names 1 Other identifiers 1 ↓Groups: Print infocard Open Substance Regulatory Obligations. The nuclear fuel cycle: industrial processes which involve the production of electricity from uranium in nuclear power reactors. 6 The fluorine gas would have likely been used in the fluorination of uranium tetrafluoride. The reaction between uranium tetrafluoride and chlorine trifluoride was studied between 17 and 193 deg C using the same basic technique as was used in an investigation of the uranium tetrafluoride-fluorine reaction. Journal of Inorganic and Nuclear Chemistry. A molten salt reactor design, a type of nuclear reactor where the working fluid is a molten salt, would use UF4 as the core material. When heated to decomposition, UO2F2 emits toxic fluorine fumes. This white solid is the principal precursor for the manufacture of beryllium metal. Topic. Valence band spectra The nature of the uranium fluorine bond can be explored by analyzing the valence region of the elec- tron spectra. Compared to the other uranium halides, little is known about UCl6. Hexafluorosilicic acid has a distinctive sour taste and pungent smell. Green crystalline solid compound of uranium with an insignificant vapor pressure and very slight solubility in water. Hydrogen fluoride is a chemical compound with the chemical formula HF. Uranium hexafluoride (UF 6), referred to as "hex" in the nuclear industry, is a compound used in the uranium enrichment process that produces fuel for nuclear reactors and nuclear weapons. Uranium tetrafluoride . Uranium tetrafluoride is similar to these topics: Uranium tetrachloride, Uranyl nitrate, Uranium and more. ECHA Legislation Regulatory Obligations . Reduction with hydrogen gives UO 2, which is converted with hydrofluoric acid (HF) to uranium tetrafluoride, UF 4. Other articles where Uranium tetrafluoride is discussed: uranium processing: Conversion and isotopic enrichment: …550° C (1,025° F) produces uranium tetrafluoride (UF4) and water vapour, as in the following reaction: Electricity is created by using the heat generated in a nuclear reactor to produce steam and drive a turbine connected to a generator. It is the main component of fluorozirconate glasses. It is oxidized to UF 5 at room temperature and then, at 100 °C, to the hexafluoride. The solid may be obtained by heating uranyl nitrate to 400 °C. Chemistry Division, Oak Ridge National laboratory, Oak Ridge, Tennessee . The term "fluoride volatility" is jargon used particularly in the context of separation of radionuclides. Inorganic Compound; Uranium Compound; Fluoride Compound; Pollutant; Industrial/Workplace Toxin; Synthetic Compound; Radioactive Toxin, Toxin-Target Database T3D1164: Safety: Safety glasses, gloves. Plutonium hexafluoride is the highest fluoride of plutonium, and is of interest for laser enrichment of plutonium, in particular for the production of pure plutonium-239 from irradiated uranium. W. KWASNIK. Fluorine Compounds. In its pure form, uranium is a silver-colored metal. The fluoride centers are doubly bridging. UF4 is generally chosen over other salts because of the usefulness of the elements without isotope separation, better neutron economy and moderating efficiency, lower vapor pressure and better chemical stability. As established by X-ray crystallography, the U centers are eight-coordinate with square antiprismatic coordination spheres. Interactive image; ChemSpider: 14676181 ; ECHA InfoCard: 100.030.142: UNII: PJ46VTD8B2 ; … Interpretation Translation polytetrafluoroethylene (PTFE). Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) This UF4 engineering report was prepared specifically to support the UF 4 disposal analysis. Neptunium(VI) fluoride (NpF6) is the highest fluoride of neptunium, it is also one of seventeen known binary hexafluorides. It was a uranium processing facility located near the rural town of New Baltimore, about 20 miles (32 km) northwest of Cincinnati, which fabricated uranium fuel cores for the U.S. nuclear weapons production complex from 1951 to 1989. Salts derived from hexafluorosilicic acid are called hexafluorosilicates. northkoreaandthenpt .....28 earlyprogramhistory iaeainspections(1992-1994) theagreedframework(1994-2002) thesix-partytalks(since2003) Tetrafluoride definition is - a fluoride containing four atoms of fluorine. Another important benefit of MSRs is that they do not produce dangerous and radioactive fission gases that are under pressure, as they are naturally absorbed into the molten salt. Topics similar to or like Uranium tetrafluoride. It is a component of ZBLAN fluoride glass. Phase Equilibria in the Alkali Fluoride‐Uranium Tetrafluoride Fused Salt Systems: I, The Systems LiF‐UF 4 and NaF‐UF 4. Uranium enrichment is a process that is necessary to create an effective nuclear fuel out of mined uranium by increasing the percentage of uranium-235 which undergoes fission with thermal neutrons.Although many reactors require enriched uranium fuel, the Canadian-designed CANDU, the British Magnox reactor and the proposed Molten salt reactor can use natural uranium as their fuel. Uranium tetrachloride. Uranium trioxide (UO3), also called uranyl oxide, uranium(VI) oxide, and uranic oxide, is the hexavalent oxide of uranium. Most frequently, covalent bonds involving fluorine atoms are single bonds, although at least two examples of a higher order bond exist. In the specific case of the Stable Salt Reactor (SSR) where the radioactive fuel is contained as a molten salt within fuel pins and the primary circuit is not radioactive, operating costs are likely to be lower and corrosion issues easier to eliminate. If such uranium-235 enrichment is required, the purified uranium in an appropriate chemical form is transferred to an isotope separation plant. 28 Accesses. Uranium(IV) fluoride Uranium tetrafluoride. H. A. FRIEDMAN. It is insoluble in water. Preparation of uranium tetrafluoride by the thermal decomposition of hydrazine uranyl fluoride complexes. The archive contains a letter and a series of three designs of increasing detail, dated in May 2003, which describe a scaled-up version of the secret pilot plant to make uranium hexafluoride and fluorine gas, and handle HF, another precursor in the production of uranium hexafluoride. Germanium tetrafluoride (GeF4) is a chemical compound of germanium and fluorine. Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Structure. MSR cost estimations are uncertain but comparable or cheaper than LWRs. The actinoid series derives its name from the first element in the series, actinium. Request curation. Other articles where Uranium tetrafluoride is discussed: uranium processing: Conversion and isotopic enrichment: …550° C (1,025° F) produces uranium tetrafluoride (UF4) and water vapour, as in the following reaction: While some nuclear reactor types ... use natural uranium as fuel, others require enriched uranium. The Fernald Feed Materials Production Center is a Superfund site located within Crosby Township in Hamilton County, Ohio, as well as Ross Township in Butler County, Ohio. Preparation of uranium tetrafluoride by the thermal decomposition of hydrazine uranyl fluoride complexes.