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Anion of selenium with 4 oxygen atoms
In chemistry, the selenate ion is an ion of selenium, with equation SeO2− 4. Selenates are analogous to sulfates and have similar chemistry. They are highly
Selenate
Chemical compound
Sodium selenate is the inorganic compound with the formula Na 2SeO 4. It exists as the anhydrous salt, the heptahydrate, and the decahydrate. These are
Sodium_selenate
Chemical element with atomic number 34 (Se)
byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking
Selenium
Chemical compound
can form colourless crystals of the orthorhombic crystal system. Caesium selenate can precipitate compounds such as CsLiSeO4·1⁄2H2O and Cs4LiH3(SeO4)4 in
Caesium_selenate
Chemical compound
Cerium(III) selenate is an inorganic compound with the chemical formula Ce2(SeO4)3. It can be obtained by reacting selenic acid and cerium(III) carbonate
Cerium(III)_selenate
Chemical compound
Thulium(III) selenate is an inorganic compound, with the chemical formula Tm2(SeO4)3. It can be obtained by reacting a thulium(III) oxide and selenic acid
Thulium(III)_selenate
Family of double sulfate salts of aluminium
ammonium. Selenium or selenate alums are also known that contain selenium in place of sulfur in the sulfate anion, making selenate (SeO2−4) instead. They
Alum
Chemical compound
Lead(II) selenate is a selenate of lead, with the chemical formula PbSeO4. Lead(II) selenate can be obtained by reacting a mixture of lead(II,IV) oxide
Lead(II)_selenate
Chemical compound
Potassium selenate, K 2SeO 4, is an odorless, white solid that forms as the potassium salt of selenic acid. Potassium selenate is produced by the reaction
Potassium_selenate
Chemical compound
Cadmium selenate is a selenate of cadmium, with the chemical formula CdSeO4. Cadmium selenate can be formed by the reaction of cadmium oxide and selenic
Cadmium_selenate
Chemical compound
Holmium(III) selenate is an inorganic compound with the chemical formula Ho2(SeO4)3. It exists in the anhydrous form and as an octahydrate. It can be obtained
Holmium(III)_selenate
Chemical compound
Barium selenate is an inorganic compound with the chemical formula BaSeO4. It is isomorphous with barium sulfate, but its solubility is 18 times that of
Barium_selenate
Chemical compound
Cerium(IV) selenate is an inorganic compound with the chemical formula Ce(SeO4)2. Cerium(IV) selenate can be obtained by reacting cerium(IV) hydroxide
Cerium(IV)_selenate
In enzymology, a selenate reductase (EC 1.97.1.9) is an enzyme that catalyzes the chemical reaction selenite + H2O + acceptor ⇌ {\displaystyle \rightleftharpoons
Selenate_reductase
Chemical compound
Gadolinium(III) selenate is an inorganic compound with the chemical formula Gd2(SeO4)3. It exists as the anhydrate and octahydrate. The octahydrate transforms
Gadolinium(III)_selenate
Chemical compound
Praseodymium(III) selenate is an inorganic compound, the salt of praseodymium and selenic acid with the chemical formula Pr2(SeO4)3. It forms green crystals
Praseodymium(III)_selenate
Chemical compound
Zirconium selenate is an inorganic compound with the chemical formula Zr(SeO4)2. Its tetrahydrate can be obtained by the reaction of selenic acid and a
Zirconium_selenate
Class of chemical compounds
A selenate selenite is a chemical compound or salt that contains selenite and selenate anions (SeO32- and SeO42-). These are mixed anion compounds. Some
Selenate_selenite
Chemical compound
selenate is an inorganic compound, with the chemical formula Er2(SeO4)3. It exists as an anhydrate or an octahydrate. Monoclinic erbium(III) selenate
Erbium(III)_selenate
Chemical compound
Schikorr reaction: 3 Fe(OH)2 → Fe3O4 + H2 + 2 H2O Anions such as selenite and selenate can be easily adsorbed on the positively charged surface of iron(II) hydroxide
Iron(II)_hydroxide
Chemical compound
Nickel(II) selenate is a selenate of nickel with the chemical formula NiSeO4. Nickel(II) selenate can be produced by the reaction of nickel(II) carbonate
Nickel(II)_selenate
Chemical compound
Thorium(IV) selenate is an inorganic compound with the chemical formula Th(SeO4)2. It exists in the octahydrate form and as a basic salt. Thorium(IV) selenate is
Thorium(IV)_selenate
Chemical compound
Ammonium selenate is a chemical compound with the chemical formula (NH4)2SeO4. Synthesis is via a reaction of selenic acid with an excess of ammonium hydroxide
Ammonium_selenate
Chemical compound
colorless compound. Although it has few uses, one of its salts, sodium selenate is used in the production of glass and animal feeds. The molecule is tetrahedral
Selenic_acid
Compound with phosphate and sulfate ions
Related compounds include the arsenate sulfates, phosphate selenates, and arsenate selenates. Some hydrogen phosphate sulfates are superprotonic conductors
Phosphate_sulfate
Chemical compound
Iron(II) selenate (ferrous selenate) is an inorganic compound with the formula FeSeO4. It has anhydrous and several hydrate forms. The pentahydrate has
Iron(II)_selenate
Class of minerals that include the sulfate ion
##x: Nickel–Strunz mineral/group number, x add-on letter 07.A Sulfates (selenates, etc.) without Additional Anions, without H2O 07.AB With medium-sized
Sulfate_mineral
Species of bacterium
ability to generate energy by respiring anaerobically with the enzyme selenate reductase. LPSN lpsn.dsmz.de "Straininfo of Thauera selenatis". Archived
Thauera_selenatis
Mixed anion compounds
the cations. Related compounds include the sulfite oxalates and oxalate selenates. Oxalate sulfates may be deposited from a solution in water of the metal
Oxalate_sulfate
Nestlé milk brand
thiamine mononitrate, folic acid, biotin, calcium pantothenate, and sodium selenate. Nido Dry Whole Milk (product of Netherlands) contains: whole milk, soy
Nido_(brand)
Class of chemical compounds
Hydrates of Double Selenates". Chemical Papers. 47 (5): 292–296. Tutton, A. E. H. (1 January 1918). "Monoclinic Double Selenates of the Nickel Group"
Nickel_double_salts
Generic name for various green iron layered double hydroxide
literature are bromide Br− , fluoride F− , iodide I− , nitrate NO− 3, and selenate SeO2−4. Green rust was first recognized as a corrosion crust on iron and
Green_rust
Chemical element with atomic number 84 (Po)
citrate, chromate, cyanide, formate, (II) or (IV) hydroxide, nitrate, selenate, selenite, monosulfide, sulfate, disulfate or sulfite salts. A limited
Polonium
Chemical compound
N. Neodymium bromate-ytterbium bromate-water and neodymium selenate-ytterbium selenate-water systems at 25°. Zhurnal Neorganicheskoi Khimii, 1981. 26
Ytterbium(III)_bromate
Rapid decrease in Earth's biodiversity
the Triassic. During periods of low oxygen concentrations very soluble selenate (Se6+) is converted into much less soluble selenide (Se2-), elemental Se
Extinction_event
Enzyme grouping
activator of CAPP while other activators include theophylline and sodium selenate. Mechanisms for their modes of activation are unknown and more research
Ceramide-activated protein phosphatase
Ceramide-activated_protein_phosphatase
Class of chemical compounds
anions with a double negative charge such as tetrafluoroberyllate (BeF2−4), selenate (SeO2−4), chromate (CrO2−4), molybdate (MoO2−4), or tungstates. Although
Langbeinites
Variation of solubility of assorted substances
0 20.7 32.3 39.1 Ammonium phosphate (NH4)3PO4 9.40 20.3 37.7 Ammonium selenate (NH4)2SeO4 96 105 115 126 143 192 Ammonium sulfate (NH4)2SO4 70.6 73 75
Solubility_table
Chemical compound with formula Na2SO4
Safety data sheet (SDS) ICSC 0952 Related compounds Other anions Sodium selenate Sodium tellurate Other cations Lithium sulfate Potassium sulfate Rubidium
Sodium_sulfate
Selenium-enriched yeast extract sold as animal fodder additive
in the form of pure chemicals. Forms used in animal feed include sodium selenate and sodium selenite. These too are effective in supplying selenium to the
Selenium_yeast
species of Astragalus, metabolize the most oxidized forms of selenium, selenate or selenite, to selenide. It is also thought that microorganisms may be
Selenium_cycle
cacodylate Sodium cyanide Sodium fluoroacetate Sodium pentachlorophenate Sodium selenate Sodium selenite Stannane, acetoxytriphenyl- Strychnine Strychnine sulfate
EPA list of extremely hazardous substances
EPA_list_of_extremely_hazardous_substances
Class of chemical compounds
salts with the formula M2M'(SO4)2(H2O)6 (sulfates) or M2M'(SeO4)2(H2O)6 (selenates). These materials are double salts, which means that they contain two
Tutton's_salt
Evaporite mineral
(KMg(SO4)Cl·3H2O) is an evaporite mineral in the class of "Sulfates (selenates, etc.) with additional anions, with H2O" according to the Nickel–Strunz
Kainite
Class of chemical compounds
anions, including nitrate (NO− 3), molybdate (MoO2− 4), oxalate (C 2O2− 4), selenate (SeO2− 4), silicate (SiO2− 4) and tellurate (TeO2− 4). A selenite fluoride
Selenite_fluoride
Scheme for categorizing minerals
Subclass: tectoborates Nickel–Strunz class 07: Sulfates, Selenates, Tellurates Class: sulfates, selenates, tellurates Class: chromates Class: molybdate, wolframates
Nickel–Strunz_classification
Chemical compound
data sheet (SDS) External MSDS Related compounds Other anions Potassium selenate Potassium tellurate Other cations Lithium sulfate Sodium sulfate Rubidium
Potassium_sulfate
ErI3 Erbium(III) nitrate – Er(NO3)3 Erbium(III) oxide – Er2O3 Erbium(III) selenate – Er2(SeO4)3 Erbium(III) selenide – Er2Se3 Erbium(III) sulfate – Er2(SO4)3
List_of_inorganic_compounds
Chemical compound with formula MgSO4
V=1.177 nm3 with Z=4. The most probable space group is P21/c. Magnesium selenate also forms an enneahydrate MgSeO4·9H2O, but with a different crystal structure
Magnesium_sulfate
Long-lived radioisotope of selenium
reduction and be released from the waste (spent fuel or vitrified waste) as selenate (SeO2– 4), a soluble Se(VI) species, not sorbed onto clay minerals. Without
Selenium-79
Genus of bacteria
from the Dead Sea. Selenihalanaerobacter shriftii grows by respiration of selenate. Selenihalanaerobacter in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà
Selenihalanaerobacter
Aluminate Ferrite monosubstituted or calcium aluminate monosubstituted
C. Annette (November 2003). "The solubility of selenate-AFt (3CaO·Al2O3·3CaSeO4·37.5H2O) and selenate-AFm (3CaO·Al2O3·CaSeO4·xH2O)". Cement and Concrete
AFm_phases
Aluminate Ferrite trisubstituted phases
C. Annette (November 2003). "The solubility of selenate-AFt (3CaO·Al2O3·3CaSeO4·37.5H2O) and selenate-AFm (3CaO·Al2O3·CaSeO4·xH2O)". Cement and Concrete
AFt_phases
silver selenide 1302–09–6 Ag2SeO3 silver selenite 7784–05–6 Ag2SeO4 silver selenate 7784–07–8 Ag2Te silver telluride 12002–99–2 Ag3Br2 silver dibromide 11078–32–3
List of CAS numbers by chemical compound
List_of_CAS_numbers_by_chemical_compound
Chemical compound
chalcogenides. Barium selenide can be obtained by the reduction of barium selenate in hydrogen flow:. BaSeO4 + 4 H2 → BaSe + 4 H2O It can also be obtained
Barium_selenide
Mineral classification
sulfates containing hydroxyl anion or halogens 32. Compound sulfates 33. Selenates and telluratess 34. Selenites, tellurites and sulfites 35. Non-hydrated
Dana_classification_system
Chemical element with metallic and nonmetallic properties
the reported formation of various other oxyacid salts, such as a basic selenate 2TeO2·SeO3 and an analogous perchlorate and periodate 2TeO2·HXO4. Tellurium
Metalloid
Chemical compound
distances range from 1.67 to 1.72 Å. Oxidation of this anion gives sodium selenate, Na2SeO4. Together with the related barium and zinc selenites, sodium selenite
Sodium_selenite
Chemical compound
Another method is the reaction of liquid sulfur trioxide with potassium selenate. SO3 + K2SeO4 → K2SO4 + SeO3 In its chemistry SeO3 generally resembles
Selenium_trioxide
Respiration using electron acceptors other than oxygen
contaminated beaches, aquifers, lakes, and oceans. For example, toxic arsenate or selenate can be reduced to less toxic compounds by various anaerobic bacteria via
Anaerobic_respiration
British X-ray crystallographer, chemist and drug designer
B. (1978). "The crystal and molecular structure of streptomycin oxime selenate tetrahydrate". Proceedings of the Royal Society of London. A. Mathematical
Stephen_Neidle
Numbers, classes, and proper shipping names allocated to dangerous goods
1 Potassium fluoroacetate UN 2629 6.1 Sodium fluoroacetate UN 2630 6.1 Selenate or Selenite UN 2631 to 2641 ? (UN No.s no longer in use) UN 2642 6.1 Fluoroacetic
List of UN numbers 2601 to 2700
List_of_UN_numbers_2601_to_2700
separation of rare earth elements. Related compounds include the iodate selenates and chromate iodates. Iodate sulfates can be produced from water solutions
Iodate_sulfate
Hydrous calcium sulfo-aluminate
is performed to find new ways to immobilize toxic anions (e.g., borate, selenate and arsenate) and heavy metals to avoid their dispersion in soils and the
Ettringite
Chemical compound
2019. Bagnall, K. W.; Freeman, J. H. (1956). "878. The sulphates and selenate of polonium". Journal of the Chemical Society (Resumed): 4579. doi:10.1039/jr9560004579
Polonium(IV)_sulfate
Chemical compound
fluoride can be formed by the action of warm fluorosulfonic acid on barium selenate or selenic acid. SeO3 + SeF4 can give this gas along with other oxyfluorides
Selenoyl_fluoride
volatilization from selenate-supplied Muskgrass (10-fold less than from selenite) may be due to a major rate limitation in the reduction of selenate to organic
List_of_hyperaccumulators
Class of chemical compounds
sulfate sulfites, the phosphate phosphites, arsenate arsenites and the selenate selenites. Hall, D.; Holland, R.V. (January 1969). "The crystal structure
Nitrate_nitrite
Salt formed by a Lewis acid-base reaction where the acid atom loses formal charge
chromate, manganate, ferrate, percobaltate, nickelate, germanate, arsenate, selenate, bromate, molybdate, pertechnate, perruthenate, stannate, antimonate, tellurate
Ate_complex
Class of chemical compounds
more than one. Examples include the iodate periodates, sulfite sulfates, selenate selenites, tellurite tellurates, nitrate nitrites, phosphate phosphites
Mixed-anion_compounds
Ion
1968, when it was finally obtained by the beta decay of selenium-83 in a selenate salt by chemist Evan H. Appelman: 83SeO2−4 → 83BrO−4 + β− Subsequently
Perbromate
Inorganic compound
selenide Rubidium selenide Caesium selenide Related compounds Potassium selenate Except where otherwise noted, data are given for materials in their standard
Potassium_selenide
silver selenide 1302–09–6 Ag2SeO3 silver selenite 7784–05–6 Ag2SeO4 silver selenate 7784–07–8 Ag2Te silver(I) telluride 12002–99–2 Ag3Br2 silver dibromide
Glossary_of_chemical_formulae
Pharmaceutical drug classification
Sodium monofluorophosphate A12CD51 Fluoride, combinations A12CE01 Sodium selenate A12CE02 Sodium selenite QA12CE99 Selenium, combinations QA12CX90 Toldimfos
ATC_code_A12
Chemical compound
various polonium salts such as polonium disulfate (Po(SO4)2), polonium selenate (Po(SeO4)2), or polonium tetranitrate (Po(NO3)4). When placed in hydrogen
Polonium_dioxide
Chemical compound
oxygen gas. It reacts with potassium hydroxide too, forming potassium selenate, potassium fluoride, water and oxygen gas.： 2 SeOF6 + 16 KOH → 2 K2SeO4
Pentafluoroselenium hypofluorite
Pentafluoroselenium_hypofluorite
Creating chemicals by radioactive decay
of the perbromate ion was through beta decay of the selenium-83 atom in selenate: 83 SeO2− 4 → 83 BrO− 4 + β− Decay of iodine-133 to give xenon is reported
Decay_technique
Species of bacteria
novel actinobacterium isolated from an anaerobic bioreactor and capable of selenate reduction". International Journal of Systematic and Evolutionary Microbiology
Salana_multivorans
Species of bacterium
Cr(VI), Hg(II), Pb(II), and Cd(II). It can also neutralize selenite and selenate through intracellular reduction that produces red elemental-Se. Selenite
Delftia_lacustris
Class of chemical compounds
significant partial pressure of sulfur dioxide. Related compounds are selenate selenites and tellurate tellurites with a varying chalcogen. They can be
Sulfite_sulfate
Rare nickel sulfate mineral
Nickel-Strunz classification, nickelblödite belongs to "07.C - Sulfates (selenates, etc.) without additional anions, with H2O, with medium and large cations"
Nickelblödite
New Zealand nutritionist and academic
A Butler; P D Whanger (1 March 1993). "Long-term supplementation with selenate and selenomethionine: selenium and glutathione peroxidase (EC 1.11.1.9)
Christine_Thomson
Chemical compound
compound. Perbromic acid was discovered through the decay of a radioactive selenate sample, SeO2−4, where bromine crystals were exposed to gamma radiation
Perbromic_acid
Chemical compound
trioxide and polonates (containing the PoO2− 4 anion, analogous to sulfate, selenate, and tellurate) by direct oxidation of Po(IV) compounds may be due to the
Polonium_trioxide
Class of chemical compounds
Selenocyanate can be produced in the reaction of selenium, selenide, selenite or selenate with cyanide ions. Se2− + CN− + 0.5 O2 + H2O → SeCN− + 2OH− SeO32− + 3CN−
Selenocyanate
Category of metallic elements
is strongly acidic. Selenium forms a series of anionic selenites and selenates such as Na2SeO3, Na2Se2O5, and Na2SeO4, as well as Zintl phases such as
Post-transition_metal
Now EC 1.21.99.5, tetrachloroethene reductive dehalogenase EC 1.97.1.9: selenate reductase EC 1.97.1.10: Now EC 1.21.99.4 thyroxine 5′-deiodinase EC 1.97
List_of_EC_numbers_(EC_1)
Growth factor and signaling protein otherwise known as FGF2
ANGSTROMS RESOLUTION AND ANALYSIS OF PRESUMED HEPARIN BINDING SITES BY SELENATE SUBSTITUTION 1fq9: CRYSTAL STRUCTURE OF A TERNARY FGF2-FGFR1-HEPARIN COMPLEX
Fibroblast_growth_factor_2
Species of bacterium
2007). "An Azospira oryzae (syn Dechlorosoma suillum) strain that reduces selenate and selenite to elemental red selenium". Current Microbiology. 54 (5):
Azospira_oryzae
Class of enzymes
sulfate and thiosulfate. May also be involved in the uptake of selenite, selenate and possibly molybdate. Does not undergo phosphorylation during the transport
Translocase
relatively low toxicities because of their low bioavailability. By contrast, selenates and selenites are very toxic, having an oxidant mode of action similar
Selenium_in_biology
Selenium −2 +4 +6 hydrogen selenide selenite (ion), polymeric species selenate 35 Bromine −1 +5 +7 bromide bromite bromate 36 Krypton 37 Rubidium
List of aqueous ions by element
List_of_aqueous_ions_by_element
Chemical compound
Rubidium selenide Caesium selenide Related compounds Sodium selenite Sodium selenate Aluminum selenide Antimony selenide Except where otherwise noted, data
Sodium_selenide
Class of chemical compounds
absorption lines in infrared. Sodium tellurite exhibit Related to these are the selenate selenites and sulfate sulfites by varying the chalcogen. Daniel, F.; Moret
Tellurite_tellurate
Selenium-contaminated evaporation ponds historically used for agricultural drainage
was the highly-mobile ion of selenium, selenate, SeO42−. In 1983 selenium concentrations, primarily in the selenate form, were about 300 μg/L. From 1981
Kesterson_Reservoir
chemical compounds containing interlinked borate and selenate groups sharing oxygen atoms. Both selenate and borate groups are tetrahedral in shape. They
Boroselenate
Class of enzymes
plant Arabidopsis thaliana, has been implicated in the involvement of selenate tolerance and selenite metabolism. Such research may then aid in the goal
Adenylyl-sulfate_reductase
Species of grass
environment is through phytoremediation. In an environment where selenium, selenate in particular, is in excess, will be taken up by the rush and store it
Juncus_xiphioides
Species of bacterium
2006). "Sedimenticola selenatireducens, gen. nov., sp. nov., an anaerobic selenate-respiring bacterium isolated from estuarine sediment". Systematic and Applied
Sedimenticola selenatireducens
Sedimenticola_selenatireducens
Chemical compound
Franz Pertlik (Aug 1994). "Synthesis and crystal structure of iron(III) selenate(IV) trihydrate, Fe2(SeO3)3 • 3H2O". Journal of Alloys and Compounds. 210
Iron(III)_selenite
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