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Oxycation of uranium
bonds of 180 picometers. Some important uranyl compounds are uranyl nitrate and several uranyl chlorides. The uranyl ion is linear and symmetrical, specifically
Uranyl
Chemical compound
Uranyl nitrate is a water-soluble yellow uranium salt with the formula UO2(NO3)2·nH2O. The hexa-, tri-, and dihydrates are known. The compound is mainly
Uranyl_nitrate
Chemical compound
Uranyl peroxide or uranium peroxide hydrate (UO4·nH2O) is a pale-yellow, soluble peroxide of uranium. It is found to be present at one stage of the enriched
Uranyl_peroxide
Chemical compound
Uranyl acetate is the acetate salt of uranium oxide, a toxic yellow-green powder useful in certain laboratory tests. Structurally, it is a coordination
Uranyl_acetate
Chemical compound
Uranyl iodide is an compound of uranium, oxygen, and iodine with the chemical formula UO2I2. Uranyl iodide can be obtained by treating UO2(OTf)2 with
Uranyl_iodide
Chemical compound
Uranyl chloride is a chemical compound with the chemical formula UO2Cl2. It consists of uranyl cations UO2+2 and chloride anions Cl−. It is fluorescent
Uranyl_chloride
Chemical element with atomic number 92 (U)
uranium(VI) state and is known to form compounds such as uranyl carbonate, uranyl chloride and uranyl sulfate. UO2+ 2 also forms complexes with various organic
Uranium
Uranium concentrate powder
Identified compounds in yellowcake include uranyl hydroxide, uranyl sulfate, sodium para-uranate, and uranyl peroxide, along with various uranium oxides
Yellowcake
1997 and 1999 Tōkai nuclear plant events
batches of uranium oxide powder into a designated dissolving tank to produce uranyl nitrate using nitric acid. Next, the mixture is carefully transported to
Tokaimura_nuclear_accidents
Chemical compound
Uranyl carbonate refers to the inorganic compound with the formula UO2CO3. Also known by its mineral name rutherfordine, this material consists of uranyl
Uranyl_carbonate
Chemical compound
Uranyl hydroxide is a hydroxide of uranium with the chemical formula UO2(OH)2 in the monomeric form and [(UO2)2(OH)4]2- in the dimeric; both forms may
Uranyl_hydroxide
Uranium-Oxygen compound
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
Uranium_trioxide
Chemical compound
Uranyl fluoride is the inorganic compound with the formula UO2F2. It is most notable as a contaminant in the production of uranium tetrafluoride. As shown
Uranyl_fluoride
Technogenic mineral
more radioactive than the corium itself. Some yellow, powdery, secondary uranyl phases made up of studtite, becquerelite and phurcalite that formed on the
Chernobylite
Chemical compound
Uranyl sulfate describes a family of inorganic compounds with the formula UO2SO4(H2O)n. These salts consist of sulfate, the uranyl ion, and water. They
Uranyl_sulfate
Chemical compound
industrially by the calcination of ammonium uranyl carbonate or ammonium diuranate. The ammonium uranyl carbonate (AUC) method is as follows: Uranium
Triuranium_octoxide
Copper uranyl phosphate mineral
formula Cu[(UO2)(PO4)]2·12H2O. It is a radioactive, hydrated green copper uranyl phosphate, found in granites and other uranium-bearing deposits as a secondary
Torbernite
Chemical compound
Ammonium uranyl carbonate (UO2CO3·2(NH4)2CO3) is known in the uranium processing industry as AUC and is also called uranyl ammonium carbonate. This compound
Ammonium_uranyl_carbonate
Chemical compound
diuranyl compound, most commonly obtained from the thermal decomposition of uranyl peroxide tetrahydrate at temperatures between 150 and 500 °C (300 and 930 °F)
Amorphous_uranyl_peroxide
Chemical compound
Uranyl bromide is a salt of uranium, oxygen, and bromine with the chemical formula UO2Br2. Uranyl bromide can be obtained by passing bromine vapor over
Uranyl_bromide
Chemical compound
Uranyl zinc acetate (ZnUO2(CH3COO)4) is a compound of uranium. Uranyl zinc acetate is used as a laboratory reagent in the determination of sodium concentrations
Uranyl_zinc_acetate
Chemical compound
Uranyl oxalate (UO2C2O4) is a pale yellow powdered uranyl salt. It is often encountered in industrial nuclear processes at both the front and back-end
Uranyl_oxalate
Rare uranyl phosphate of the more specific phosphuranylite group
Bergenite is a rare uranyl phosphate of the more specific phosphuranylite group. The phosphuranylite-type sheet in bergenite is a new isomer of the group
Bergenite
Chemical compound
Uranyl formate (UO2(CHO2)2·H2O) is a salt that exists as a fine yellow free-flowing powder occasionally used in transmission electron microscopy. It is
Uranyl_formate
Material fuelling nuclear reactors
Uranium dioxide is a black semiconducting solid. It can be made by heating uranyl nitrate to form UO 2. UO2(NO3)2 · 6 H2O → UO3 + 2 NO2 + ½ O2 + 6 H2O (g)
Nuclear_fuel
Chemical compound
Uranyl metaphosphate is a compound of uranium, phosphorus, and oxygen. It is one of the phosphates of uranium with the formula [UO2(PO3)2]n. This long-chain
Uranyl_metaphosphate
Chemical compound
hexafluoride: UF4 + F2 → UF6 In samples contaminated with uranium trioxide, uranyl fluoride, an oxyfluoride compound is produced in the HF step: UO3 + 2 HF
Uranium_hexafluoride
Spent fuel reprocessing process for plutonium and uranium recovery
consists of 30% tributyl phosphate (TBP) in a hydrocarbon such as kerosene. Uranyl(VI) UO2+ 2 ions are extracted in the organic phase as UO2(NO3)2·2TBP complexes;
PUREX
which is found in the form of [UO2]1+. This species is known as pentavalent uranyl cation and has a low stability due to the disproportionation into tetravalent
Pentavalent_uranyl_complexes
Minor ore of uranium
with the chemistry (UO2)6SO4(OH)6O2·14H2O or, hydrated uranyl sulfate hydroxide. As with many uranyl minerals, it is fluorescent and radioactive. It is straw
Uranopilite
Compound of Lead
heavy metal staining in electron microscopy. This salt binds to osmium and uranyl acetate and enhances contrast in many cellular structures. Lead citrate
Lead_citrate
Chemical compound
trialkylphosphate to the uranyl-DEHPA complex by hydrogen bonding. The synergistic additive may also react with the DEHPA, competing with the uranyl extraction, resulting
Di(2-ethylhexyl)phosphoric acid
Di(2-ethylhexyl)phosphoric_acid
Particle, atom or molecule with a net electrical charge
the individual metal centre with a polyatomic complex, as shown by the uranyl ion example. If an ion contains unpaired electrons, it is called a radical
Ion
Part of a reactor containing the fuel
reactors cores employ water in which soluble nuclear salts (usually uranyl sulfate or uranyl nitrate) have been dissolved. As the water serves as the solvent
Nuclear_reactor_core
Oxide of the element uranium
oxide; yellowcake typically contains 70 to 90 percent triuranium octoxide) Uranyl peroxide (UO2O2 or UO4) Amorphous uranium(VI) oxide (Am-U2O7) Uranium dioxide
Uranium_oxide
Uranyl peroxide mineral
UO4·2(H2O) form. Despite their apparent chemical simplicity, these two uranyl species are the only reported peroxide minerals. They may also be readily
Studtite
F-block chemical elements
linear "uranyl" group, UO2+ 2. Between 4 and 6 ligands can be accommodated in an equatorial plane perpendicular to the uranyl group. The uranyl group acts
Actinide
Very rare uranium mineral
formula Na5(UO2)(SO4)3(SO3OH)(H2O). It is interesting in being a natural uranyl salt with hydrosulfate (hydroxysulfate) anion, a feature shared with belakovskiite
Meisserite
Rare mineral
composition Pb3[(UO2)4|O4|(OH)3]2·2 H2O. It is therefore a hydrated lead uranyl oxide, which forms red needles or orange, massive aggregates. Curite was
Curite
Chemical compound including uranium
uranium(VI) state and is known to form compounds such as uranyl carbonate, uranyl chloride and uranyl sulfate. UO2+ 2 also forms complexes with various organic
Uranium_compounds
Mineral
Rutherfordine is a mineral containing almost pure uranyl carbonate (UO2CO3). It crystallizes in the orthorhombic system in translucent lathlike, elongated
Rutherfordine
Type of nuclear reactor
power), this version used solution of uranyl nitrate as fuel whereas the earlier device had used enriched uranyl sulfate. This reactor became operative
Aqueous_homogeneous_reactor
Canadian-American mineralogist
actinide solid-state and coordination chemistry, and the development of novel uranyl peroxide nanoclusters. His research addresses both fundamental crystallographic
Peter_C._Burns
Capacity of a substance to dissolve in a homogeneous way
compounds (except lithium phosphate) Carbonates (except Group I, NH4+ and uranyl compounds) Nitrates Sulfites (except Group I and NH4+ compounds) Acetates
Solubility
Uranium oxyanion associated with a monovalent or divalent cation
barium uranyl acetate at 900 °C. Ba[UO2(ac)3]2 → BaU2O7 ... (ac=CH3CO2−) Uranates can be prepared by adding alkali to an aqueous solution of a uranyl salt
Uranate
Chemical compound
the production of uranium oxide from ammonium diuranate, rather than from uranyl nitrate as is the case elsewhere.[citation needed] Ammonium diuranate was
Ammonium_diuranate
Compound of neodymium
compounds Making catalysts Making nanoscale materials A substitute for uranyl acetate in electron microscopy Preparing nanoparticles of neodymium(III)
Neodymium(III)_acetate
Type of phosphate mineral
Autunite (hydrated calcium uranyl phosphate), with formula Ca(UO2)2(PO4)2·10–12H2O, is a yellow-greenish fluorescent phosphate mineral with a hardness
Autunite
Uranium fuel factory in Ohio, U.S.
used a series of "pulse columns" to mix and separate the uranyl nitrate and solvent. The uranyl nitrate preferentially bonded to the solvent, leaving the
Fernald Feed Materials Production Center
Fernald_Feed_Materials_Production_Center
Banded variety of chalcedony
bands. Some agates contain very small traces of uranium in the form of uranyl ions, causing them to fluoresce green under short-wave ultraviolet light
Agate
state +6, with the chemical formula PuO2+ 2. It is isostructural with the uranyl ion, compared to which it has a slightly shorter M–O bond. It is easily
Plutonyl
Hydrous oxyuranyl mineral
KPb[(UO2)7O5(OH)7]·8H2O. It is a radioactive, hydrated orange-coloured lead potassium uranyl oxide hydroxide. It was found by analysing old mineral specimens, and is
Gauthierite
Uranium with lower content of 235U
to produce UO2F2 (uranyl fluoride), a solid, and HF (hydrogen fluoride), a gas, both of which are highly soluble and toxic. The uranyl fluoride solid acts
Depleted_uranium
Former mine in the Democratic Republic of the Congo
minerals from supergene alteration above the water table and the formation of uranyl minerals. Below the water table, hypogene ores include uraninite (pitchblende)
Shinkolobwe
Radioactive mass created during meltdown
(2023-06-22). "Evolution of Chernobyl Corium in Water: Formation of Secondary Uranyl Phases". Materials. 16 (13): 4533. Bibcode:2023Mate...16.4533G. doi:10.3390/ma16134533
Elephant's_Foot_(Chernobyl)
Lead uranyl silicate monohydrate mineral
Kasolite is an uncommon lead uranyl silicate monohydrate mineral. It is an IMA approved mineral, that had been a valid species before the foundation of
Kasolite
Structure on the cell surface of many archaea that allows for swimming motility
Sulfolobus acidocaldarius MW001 during normal growth. Indication of archaella (black arrows) and pili (white arrows). Negative staining with uranyl acetate.
Archaellum
Chemical compound
acid has been used in the gravimetric analysis of uranium in the form of uranyl ion. This is precipitated by forming an insoluble salt with quinaldic acid
Quinaldic_acid
Chemical compound
difluoride dioxide Molybdenum oxytetrachloride Molybdenum(VI) chloride Uranyl chloride Except where otherwise noted, data are given for materials in their
Molybdenum_dichloride_dioxide
Family of viruses
Geminiviridae Purified Maize streak virus (MSV) particles stained with uranyl acetate. Size bar indicates 50 nm. Virus classification (unranked): Virus
Geminiviridae
Undesirable presence of radioactive substances
fuel and fission products. A spilled vial of radioactive material like uranyl nitrate may contaminate the floor and any rags used to wipe up the spill
Radioactive_contamination
protons. Some suitable negative stains include ammonium molybdate, uranyl acetate, uranyl formate, phosphotungstic acid, osmium tetroxide, osmium ferricyanide[clarification
Negative_stain
Postulated chemical compound
UI5 U2O5 U(V,VI) U3O8 U(VI) (NH4)2U2O7 Na2U2O7 MgU2O7 UCl6 UF6 UO3 UN2 Uranyl compounds Na4UO2(CO3)3 U2O7 UO4 UO2(CH3COO)2 UO2(CHO2)2 UO2CO3 UO2C2O4 UO2CO3·2(NH4)2CO3
Uranium_hexaoxide
Type of nuclear fuel
process has the disadvantage of forming much radioactive dust. A mixture of uranyl nitrate and plutonium nitrate in nitric acid is converted by treatment with
MOX_fuel
Chemical compound
compounds containing caesium, oxalate and another anion also exist, such as the uranyl sulfate above, and caesium bis(oxalato)borate (CsBOB) (Cs[B(C2O4)2]). Atherton
Caesium_oxalate
Chemical compound
UI5 U2O5 U(V,VI) U3O8 U(VI) (NH4)2U2O7 Na2U2O7 MgU2O7 UCl6 UF6 UO3 UN2 Uranyl compounds Na4UO2(CO3)3 U2O7 UO4 UO2(CH3COO)2 UO2(CHO2)2 UO2CO3 UO2C2O4 UO2CO3·2(NH4)2CO3
Diuranium_pentoxide
1957 radiological contamination disaster in the Soviet Union
the tanks were inadequate. The accident involved waste from the sodium uranyl acetate process used by the early Soviet nuclear industry to recover plutonium
Kyshtym_disaster
Chemical compound
exist. Unlike other inorganic radicals such as hydroxyl, carbonyl, chromyl, uranyl or vanadyl, according to the current IUPAC rules, the name bismuthyl for
Bismuthyl_(ion)
Study of the microscopic anatomy of cells and tissues of plants and animals
saline. Other fixatives used for electron microscopy are osmium tetroxide or uranyl acetate. The main action of these aldehyde fixatives is to cross-link amino
Histology
Chemical compound
Solubility Soluble in fuming nitric acid Related compounds Other cations Uranyl nitrate Except where otherwise noted, data are given for materials in their
Protactinyl_nitrate
Chemical compound
uranium hexafluoride. It was also used to fuel aqueous homogeneous reactors. Uranyl sulfate in solution is readily photochemically reduced to uranium(IV) sulfate
Uranium(IV)_sulfate
Rare sulfate mineral
sheet points in the same direction. Each Na atom is bonded to two different uranyl O atoms in two separate adjacent sheets. Each Na atom is also bonded to
Greenlizardite
World War II Allied nuclear weapons program
in Uravan, Colorado. The raw ore was dissolved in nitric acid to produce uranyl nitrate, which was processed into uranium trioxide, which was reduced to
Manhattan_Project
Variety of agate with blue and white banding
fluorescent green under short-wave ultraviolet light due to trace amounts of uranyl ions. At Ysterputs, blue lace agate formed as hydrothermal vein deposits
Blue_lace_agate
Molecule that carries genetic information
(lead-specific), the CA1-3 DNAzymes (copper-specific), the 39E DNAzyme (uranyl-specific) and the NaA43 DNAzyme (sodium-specific). The NaA43 DNAzyme, which
DNA
Very rare uranium mineral
natrozippeite, plášilite, belakovskiite and meisserite. Most of these uranyl sulfate minerals were originally found in the Blue Lizard mine, San Juan
Oppenheimerite
Topics referred to by the same term
executive/administrative branch or secretariat of the supranational organisation Ammonium uranyl carbonate, a chemical compound used in uranium processing Appropriate use
AUC
Uranyl carbonate mineral
Andersonite, Na2Ca(UO2)(CO3)3·6H2O, or hydrated sodium calcium uranyl carbonate is a rare uranium carbonate mineral that was first described in 1948. Named
Andersonite
Manufacturing process
removal of ammonium ions in the synthesis of zeolites; defluorination of uranyl fluoride to create uranium dioxide and hydrofluoric acid gas; heat treatment
Calcination
Kidney disease
electron microscopy contrasted with Osmium Tetroxide, Lead Citrate, and Uranyl in block shows capillary loop collapse with hyalinosis in addition to diffuse
Focal segmental glomerulosclerosis
Focal_segmental_glomerulosclerosis
Program of the Manhattan Project to convert uranium ores into feed materials
the Belgian Congo. The raw ore was dissolved in nitric acid to produce uranyl nitrate, which was reduced to highly pure uranium dioxide. By July 1942
Manhattan Project feed materials program
Manhattan_Project_feed_materials_program
French physicist (1852–1908)
one could expect to observe: The same crystalline crusts [of potassium uranyl sulfate], arranged the same way with respect to the photographic plates
Henri_Becquerel
Imaging and diffraction using electrons that pass through samples
sample can be stained using either a negative staining material such as uranyl acetate for bacteria and viruses, or, in the case of embedded sections,
Transmission electron microscopy
Transmission_electron_microscopy
Chemical compound
formula such as VO2+. VO2+ is in fact an aquo complex [VO(H2O)5]2+. Similarly uranyl (UO2+2) refers to hydrated cations. Related to the oxycations are the oxyhalides
Oxide
(9 and 10 ed) is not controversial. Dmisteinbergite (feldspar, 9.EG.15), uranyl sorovanadates (4.HD. ids) and silica family (4.DA. ids) are some exceptions
List of minerals recognized by the International Mineralogical Association
List_of_minerals_recognized_by_the_International_Mineralogical_Association
Rare mineral
analog of uranospathite was first used by Walenta (1963) with reference to a uranyl-arsenate mineral from Black Forest (Schwarzwald) massif, Germany. Later
Arsenuranospathite
Family of viruses
Collapsed form of the large Freesia sneak ophiovirus particle. Negative-contrast electron micrograph (uranyl acetate); bar: 100 nm.
Aspiviridae
Light energy absorbance and re-emission
distinction, as there are slow-emitting fluorescent materials, for example uranyl salts, and, likewise, some phosphorescent materials like zinc sulfide (in
Phosphorescence
Chemical compound
UI5 U2O5 U(V,VI) U3O8 U(VI) (NH4)2U2O7 Na2U2O7 MgU2O7 UCl6 UF6 UO3 UN2 Uranyl compounds Na4UO2(CO3)3 U2O7 UO4 UO2(CH3COO)2 UO2(CHO2)2 UO2CO3 UO2C2O4 UO2CO3·2(NH4)2CO3
Tetrauranium_nonaoxide
Family of chemical compounds
hydroxide Mercury(II) hydroxide Nickel(II) hydroxide Tin(II) hydroxide Uranyl hydroxide Zinc hydroxide Zirconium(IV) hydroxide Lithium hydroxide Rubidium
Metal_hydroxide
Chemical element with atomic number 93 (Np)
homologous hexavalent ions of its neighbours uranium and plutonium (the uranyl and plutonyl ions). It hydrolyzes in basic solutions to form the oxo and
Neptunium
Organelle containing glycolytic enzymes in some protists
studied in the microscope by examining the glycosome that was stained with uranyl acetate. The U/Pb that was seen stained was the protein that was part of
Glycosome
fluoride – UF6 Uranyl peroxide – UO4 Uranium dioxide – UO2 Uranyl carbonate – UO2CO3 Uranyl chloride – UO2Cl2 Uranyl fluoride – UO2F2 Uranyl hydroxide –
List_of_inorganic_compounds
Radioactive yellow uranium-containing carbonate mineral
radioactive yellow uranium-containing carbonate mineral, hydrated sodium calcium uranyl sulfate carbonate fluoride. Schröckingerite crystallizes in the orthorhombic
Schröckingerite
Chemical element with atomic number 60 (Nd)
agent in electron microscopy (a substitute for the radioactive and toxic uranyl acetate). Probably because of similarities to Ca2+, Nd3+ has been reported
Neodymium
Technique used to enhance visual contrast of specimens observed under a microscope
proteinate, sodium chloroaurate, thallium nitrate, thiosemicarbazide, uranyl acetate, uranyl nitrate, and vanadyl sulfate. Biological Stain Commission: Third-party
Staining
Uncontrolled nuclear fission chain reaction
technicians working on producing fuel for the Jōyō fast reactor poured a uranyl nitrate solution into a precipitation tank which was not designed to hold
Criticality_accident
German Lutheran reformer (1504–1565)
Kasatkin, A.V. (2014). "Mathesiusite, K5(UO2)4(SO4)4(VO5)(H2O)4, a new uranyl vanadate-sulfate from Jáchymov, Czech Republic". American Mineralogist.
Johannes_Mathesius
Rare but relatively simple uranyl sulfate mineral
Shumwayite is a rare but relatively simple uranyl sulfate mineral with the formula (UO2)2(SO4)2•5H2O. It was discovered in the Green Lizard and Giveaway-Simplot
Shumwayite
Nuclear operations in supplying fuel to French nuclear reactors
solution of uranyl nitrate UO2(NO3)2. After filtration, this is purified by solvent extraction with a TBP solution. This step yields uranyl nitrate UO2(NO3)2
Nuclear_fuel_cycle_in_France
URANYL
URANYL
URANYL
URANYL
Boy/Male
Indian
Certain
Girl/Female
Finnish, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Tamil, Telugu
Ritual; Culture; Memory; Well Being; Kindness
Surname or Lastname
English
English : variant of Harding.French : from a pet form of any of several Germanic compound personal names beginning with hard ‘hardy’, ‘brave’, ‘strong’.
Boy/Male
Sikh
Loin
Biblical
young woman, arise
Boy/Male
Indian
The most exalted
Boy/Male
Arabic, Muslim
Lover; Warm-hearted; Affectionate; Friend; Beloved; Al-wadood; The All-loving; One of the Names of Allah
Boy/Male
Scottish
Friend. Both a surname and place name.
Boy/Male
Muslim
This was the name of a teacher
Surname or Lastname
English (mainly Lancashire)
English (mainly Lancashire) : patronymic from the Norman personal name Hamo, Hamon (see Hammond).Irish : shortened Anglicized form of Gaelic Ó hAmhsaigh ‘descendant of Amhsach’ a byname meaning ‘mercenary soldier’ or ‘messenger’, from the adjective amhasach ‘aggressive’.
URANYL
URANYL
URANYL
URANYL
URANYL
n.
The radical UO2, conveniently regarded as a residue of many uranium compounds.