A uranate is a ternary oxide involving the element uranium in one of the oxidation states 4, 5 or 6. A typical chemical formula is MxUyOz, where M represents a cation. The uranium atom in uranates(VI) has two short collinear U–O bonds and either four or six more next nearest oxygen atoms.[1] The structures are infinite lattice structures with the uranium atoms linked by bridging oxygen atoms.
Uranium oxides are the foundation of the nuclear fuel cycle ("ammonium diuranate" and "sodium diuranate" are intermediates in the production of uranium oxide nuclear fuels) and their long-term geological disposal requires a thorough understanding of their chemical reactivity, phase transitions, and physical and chemical properties.[2]
^Cite error: The named reference wells was invoked but never defined (see the help page).
^T. Vogt, D.J. Butterey, Complex Oxides. An Introduction. World Scientific, 2019, https://www.worldscientific.com/doi/pdf/10.1142/9789813278585_fmatter
A uranate is a ternary oxide involving the element uranium in one of the oxidation states 4, 5 or 6. A typical chemical formula is MxUyOz, where M represents...
depletion for magnesium uranate from the Mounana plant (235U = 0.625%) and an even greater depletion for a magnesium uranate (Oklo M) (235U = 0.440%):...
alkaline process of milling uranium ores involves precipitating sodium uranate from the pregnant leaching solution to produce the semi-refined product...
identified in yellowcakes include uranyl hydroxide, uranyl sulfate, sodium para-uranate, and uranyl peroxide, along with various uranium oxides. Modern yellowcake...
However when being fired this will decompose to uranium oxide, so the uranate was only used as a lower cost material than the fully purified uranium...
aldehyde derived from nonane. PoO Chemical formula of polonium monoxide. Uranate The chemical term for an oxyanion of the element uranium. Vomitoxin A mycotoxin...
salts of uranium and polyatomic ion uranium-oxide cationic forms, the uranates, salts containing a polyatomic uranium-oxide anion, are generally not water-soluble...
states. In particular, compounds like Li3AmO4 and Li6AmO6 are comparable to uranates and the ion AmO2+2 is comparable to the uranyl ion, UO2+2. Such compounds...
particularly radioactive if some compound of uranium (e.g., uranium oxide, sodium uranate) has been used to impart color (e.g., orange-red, green, yellow, black)...
doubly negatively charged uranate anion (UO2− 4). Uranates tend to concatenate, forming diuranate, U 2O2− 7, or other poly-uranates. Important diuranates...
India. Clarkeite is the only known naturally occurring high-temperature uranate. The general formula for ideal clarkeite is Na[(UO 2)O(OH)](H 2O) 0–1....
For example, uranium, neptunium and plutonium form salts of the Na2UO4 (uranate) and (NH4)2U2O7 (diuranate) types. In comparison with lanthanides, actinides...
interest. Over the following ten days, 260 truckloads of uranium ore, sodium uranate and ferrouranium weighing about 1,000 tons, were taken away by an African-American...
relatively short U–O distances. A similar structure occurs in some uranates, such as calcium uranate, CaUO4, which may be written as Ca(UO2)O2 even though the...
salts of uranium and polyatomic ion uranium-oxide cationic forms, the uranates, salts containing a polyatomic uranium-oxide anion, are generally not water-soluble...
Neufeldt, S. J.; Walker, A. (1965). "Reactions in Molten Salt Solutions. I. Uranate and Neptunate Formation in Molten Lithium Nitrate-Sodium Nitrate". Inorganic...
The unique conditions and amounts of phosphate, vanadate, arsenate, and uranate in this area led to the formation of two new minerals; one being nevadaite...
tons. Akola area was leased to COMINAK for extraction, in 1987. In 1998, uranate, the processed uranium of 40 million tons was packed under containers,...
Neufeldt, S. J.; Walker, A. (1965). "Reactions in Molten Salt Solutions. I. Uranate and Neptunate Formation in Molten Lithium Nitrate-Sodium Nitrate". Inorganic...
4 H2O), nickel stannate (NiSnO3 · 2 H2O) are some other oxy-salts. The uranates include NiU2O6, NiUO4 α and β forms (orthorhombic a=6.415 Å; b=6.435 Å;...
Loopstra and Bob van Laar on the structure solution and refinement of uranates and other ceramic compounds using neutron powder diffraction. In 1967 he...
Magnesium diuranate (MgU2O7) is a compound of uranium. It is known in the uranium refining industry as "MDU" and forms the major part of some yellowcake...
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