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Precursor to vanadium alloys and industrial catalyst
Vanadium(V) oxide (vanadia) is the inorganic compound with the formula V2O5. Commonly known as vanadium pentoxide, it is a dark yellow solid, although
Vanadium(V)_oxide
Index of chemical compounds with the same name
Vanadium oxide mainly refers to: Vanadium(II) oxide (vanadium monoxide), VO Vanadium(III) oxide (vanadium sesquioxide or trioxide), V2O3 Vanadium(IV)
Vanadium_oxide
Chemical compound
Vanadium(IV) oxide or vanadium dioxide is an inorganic compound with the formula VO2. It is a dark blue solid. Vanadium(IV) dioxide is amphoteric, dissolving
Vanadium(IV)_oxide
Chemical element with atomic number 23 (V)
future. Large amounts of vanadium ions are found in a few organisms, possibly as a toxin. The oxide and some other salts of vanadium have moderate toxicity
Vanadium
Chemical compound
Vanadium(III) oxide is the inorganic compound with the chemical formula V2O3. It is a black basic oxide dissolving in acids to give solutions of vanadium(III)
Vanadium(III)_oxide
Chemical compound
Vanadium(II) oxide is the inorganic compound with the idealized formula VO. It is one of the several binary vanadium oxides. It adopts a distorted NaCl
Vanadium(II)_oxide
Group of elements in the periodic table
vanadium(II) oxide, vanadium(III) oxide, vanadium(IV) oxide and vanadium(V) oxide, niobium forms niobium(II) oxide, niobium(IV) oxide and niobium(V) oxide, but
Group_5_element
Type of chemical compound
vanadium in these four oxidation states. Lower oxidation states occur in compounds such as V(CO)6, [V(CO) 6]− and substituted derivatives. Vanadium pentoxide
Vanadium_compounds
Chemical compound
orange owing to an impurity of vanadium tetrachloride. VOCl3 is a vanadium compound with vanadium in the +5 oxidation state and as such is diamagnetic
Vanadium_oxytrichloride
Non-rechargeable battery using lithium metal as anode
Gonzalez, Lina (Summer 2005). "Solid State NMR Investigation of Silver Vanadium Oxide (SVO)". CUNY, Hunter College. Archived from the original on 2006-09-10
Lithium_metal_battery
Industrial method of sulfuric acid production
susceptible to reacting with arsenic impurities in the sulfur feedstock, vanadium(V) oxide (V2O5) has since been preferred. This process was patented in 1831
Contact_process
Type of rechargeable flow battery
which employs vanadium ions as charge carriers. The battery uses vanadium's ability to exist in a solution in four different oxidation states to make
Vanadium_redox_battery
Type of oxide
An acidic oxide is an oxide that either produces an acidic solution upon addition to water, or acts as an acceptor of hydroxide ions effectively functioning
Acidic_oxide
Chemical compound
solution, oxidation of vanadyl sulfate gives yellow-coloured vanadyl(V) derivatives. Reduction, e.g. by zinc, gives vanadium(III) and vanadium(II) derivatives
Vanadyl_sulfate
Protein family
the world. Vanadium bromoperoxidases are one of the few classes of enzymes that requires vanadium. The active site features a vanadium oxide center attached
Vanadium_bromoperoxidase
announced a synthesis of hierarchical vanadium oxide nanoflowers (V10O24·nH2O) synthesized by an oxidation reaction of vanadium foil in a NaCl aqueous solution
Research in lithium-ion batteries
Research_in_lithium-ion_batteries
Chemical compound
water-soluble solid. Sodium orthovanadate is produced by dissolving vanadium(V) oxide in a solution of sodium hydroxide: V2O5 + 6 NaOH → 2 Na3VO4 + 3 H2O
Sodium_orthovanadate
Chemical compound
converts to a purple solid. The vanadium oxides can also be used to produce vanadium(III) chloride. For example, vanadium(III) oxide reacts with thionyl chloride
Vanadium(III)_chloride
Porous material with a high specific surface area supporting a catalyst
"Structure and catalytic properties of MgO-supported vanadium oxide in the selective oxidation of cyclohexane". Journal of Molecular Catalysis A: Chemical
Catalyst_support
Group of vanadium compounds used as oxidation catalysts
these compounds are used commercially as catalysts for oxidation reactions. A common vanadium phosphate is VOPO4·2H2O. Seven polymorphs are known for
Vanadium_phosphates
Chemical compound
oxyhalides, e.g. vanadium oxytrichloride (VOCl3). The chemical formulas of the oxides of the chemical elements in their highest oxidation state are predictable
Oxide
Chemical compound known as stannic oxide, cassiterite and tin ore
used in the dye industry. In conjunction with vanadium oxide, it is used as a catalyst for the oxidation of aromatic compounds in the synthesis of carboxylic
Tin(IV)_oxide
Hypothetical charge of an atom if all its bonds to different atoms were fully ionic
(2022). "Water–Gas Shift Catalyzed by Iridium–Vanadium Oxide Clusters IrVO2– with Iridium in a Rare Oxidation State of −II". The Journal of Physical Chemistry
Oxidation_state
Microscopic device for detecting infrared radiation
radiation detecting materials in microbolometers are amorphous silicon and vanadium oxide. A problem with some potential materials is that to create the desirable
Microbolometer
Chemical element with atomic number 77 (Ir)
(2022). "Water–Gas Shift Catalyzed by Iridium–Vanadium Oxide Clusters IrVO2– with Iridium in a Rare Oxidation State of −II". The Journal of Physical Chemistry
Iridium
Paramontroseite (V4+O2) is a relatively rare orthorhombic vanadium oxide mineral in the Ramsdellite Group. Synthetic paramontroseite may have applications
Paramontroseite
Extremely hard refractory ceramic material
typically contain an impurity of the oxide. It is produced by heating vanadium oxides with carbon at around 1000 °C. Vanadium carbide can be formed in the (111)
Vanadium_carbide
Device for measuring incident electromagnetic radiation
of bolometer used as a detector in a thermal camera. It is a grid of vanadium oxide or amorphous silicon heat sensors atop a corresponding grid of silicon
Bolometer
Steel alloy variety
Chromium–vanadium steel (symbol Cr-V or CrV; 6000-series SAE steel grades, often marketed as "Boss AA") is a group of steel alloys incorporating carbon
Chromium–vanadium_steel
Organic compound (H–CHO); simplest aldehyde
process), iron(III) oxide, iron molybdenum oxides (e.g. iron(III) molybdate) with a molybdenum-enriched surface, or vanadium oxides. In the commonly used
Formaldehyde
Chemical reactions with oxygen
solid catalysts. Typical catalysts are platinum, and redox-active oxides of iron, vanadium, and molybdenum. In many cases, catalysts are modified with a host
Catalytic_oxidation
Color between orange and green on the visible spectrum of light
diode at 808 nm is used to pump a crystal of neodymium-doped yttrium vanadium oxide (Nd:YVO4) or neodymium-doped yttrium aluminum garnet (Nd:YAG) and induces
Yellow
Chemical compound
catalytic reduction (SCR) of NOx. Such technologies, which tend to use vanadium oxide-based catalysts rather than ceria, are associated with power plants
Cerium(III)_oxide
Chemical compound
comproportionation of vanadium trichloride and vanadium(V) oxides: V2O5 + VOCl3 + 3 VCl3 → 6 VOCl2 As verified by X-ray crystallography, vanadium oxydichloride
Vanadium_oxydichloride
Additive primary color visible between cyan and yellow
diode at 808 nm is used to pump a crystal of neodymium-doped yttrium vanadium oxide (Nd:YVO4) or neodymium-doped yttrium aluminium garnet (Nd:YAG) and induces
Green
Storage of electricity within an electrochemical cell
higher capacitance than vanadium oxide deposited on a typical Pt substrate. These studies demonstrate the capability of deposited oxides to effectively store
Pseudocapacitance
British-American chemist (born 1941)
Whittingham, M. Stanley (October 1998). "Hydrothermal synthesis of vanadium oxides". Chemistry of Materials. 10 (10): 2629–2640. doi:10.1021/cm980242m
M._Stanley_Whittingham
Arsenates(IV), sulfates(IV) and iodates (IDs 4.J–K) Tellurium oxysalts Vanadium oxides (IDs 4.H) "Evaporites and similars" Carbonates (IDs 5.A–E) Nitrates
List_of_gemstones_by_species
Class of minerals containing oxygen
The oxide mineral class includes those minerals in which the oxide anion (O2−) is bonded to one or more metal alloys. The hydroxide-bearing minerals are
Oxide_mineral
State in Germany
it uses heavy oil, which also allows the manufacture of byproduct vanadium oxide and sulphur. Heavy oil is a source material to produce bitumen by Total
Schleswig-Holstein
VN Vanadium(III) oxide – V2O3 Vanadium(IV) chloride – VCl4 Vanadium(IV) fluoride – VF4 Vanadium(IV) oxide – VO2 Vanadium(IV) sulfate – VOSO4 Vanadium(V)
List_of_inorganic_compounds
Molecule or surface that has no attraction to water
Seung; Cho, Kilwon (2007). "UV-Driven Reversible Switching of a Roselike Vanadium Oxide Film between Superhydrophobicity and Superhydrophilicity". J. Am. Chem
Hydrophobe
Chemical element with atomic number 22 (Ti)
isotopes of vanadium. Titanium becomes radioactive upon bombardment with deuterons, emitting mainly positrons and hard gamma rays. The +4 oxidation state dominates
Titanium
Ceramic materials that are optically transparent
material in IR radiation microbolometers is vanadium oxide. The various crystalline forms of vanadium oxide include both VO2 and V2O5. Deposition at high
Transparent_ceramics
Type of battery
spinel manganese oxide that further reduced corrosion. In 2011 a research team used the same electrolyte as ORNL, but used vanadium oxide nanowires for the
Aluminium-ion_battery
Type of corrosion
rich in vanadium pentoxide. At high temperatures or when there is a lower availability of oxygen, refractory oxides—vanadium dioxide and vanadium trioxide—form
High-temperature_corrosion
Chemical reaction involving the removal of hydrogen
silver metal, iron(III) oxide, iron molybdenum oxides [e.g. iron(III) molybdate] with a molybdenum-enriched surface, or vanadium oxides. In the commonly used
Dehydrogenation
Material property of extreme resistance to wetting
Kilwon (April 2007). "UV-Driven Reversible Switching of a Roselike Vanadium Oxide Film between Superhydrophobicity and Superhydrophilicity". Journal of
Ultrahydrophobicity
Rock-forming minerals with predominantly silicate anions
Dana system (75.1). However, the Nickel-Strunz system classifies them as oxide minerals (4.DA). Silica is found in nature as the mineral quartz and its
Silicate_mineral
Karelianite is an rare mineral, a natural form of vanadium(III) oxide, V2O3. In terms of chemistry it is vanadium-analogue of hematite, corundum, eskolaite,
Karelianite
Elements that occur in nature as minerals in uncombined form
Sulfur Tantalum[citation needed] Tellurium Tin Titanium Tungsten Vanadium Native vanadium Zinc This list uses the Classification of Nickel–Strunz (mindat
Native_element_mineral
Chemical compound
phosphine-ozone reaction Phosphine oxide has been claimed as the product of a reaction of phosphine with vanadium oxytrichloride as well as with chromyl
Phosphine_oxide
Proposed type of battery
A lithium vanadium phosphate (LVP) battery is a proposed type of lithium-ion battery that uses a vanadium phosphate in the cathode. As of 2016[update]
Lithium vanadium phosphate battery
Lithium_vanadium_phosphate_battery
Chemical reaction
reagent/substrate ratio. Vanadium tetrachloride is known to effect one-electron oxidations, which is invoked in this conversion. Oxidative phenol couplings can
Oxidative_coupling_of_phenols
Property of substances to change colour due to a change in temperature
oxide and aluminium(III) oxide in a 1:9 ratio is red at room temperature and grey at 400 °C (752 °F), due to changes in its crystal field. Vanadium dioxide
Thermochromism
Program of the Manhattan Project to convert uranium ores into feed materials
Plateau for their vanadium content. The ores contained roughly 1.75% vanadium pentoxide (V2O5) and 0.25% uranium dioxide (UO2). Vanadium was important to
Manhattan Project feed materials program
Manhattan_Project_feed_materials_program
Chemical compound
6-trimethylphenyl) is one of the organovanadium complexes with vanadium in an oxidation state of 3, first synthesized by W. Seidel and G. Kreisel in 1974
Trimesitylvanadium
American chemical engineer and materials scientist (born 1953)
design enabling high power and resulting in the creation of a silver vanadium oxide battery. These batteries are highly powerful, miniature in size, and
Esther_Takeuchi
Chemical element with atomic number 24 (Cr)
the preceding element vanadium. Chromium(VI) is a strong oxidising agent in contrast to the molybdenum(VI) and tungsten(VI) oxides. Chromium is the third
Chromium
Topics referred to by the same term
Association football clubs in Germany: SVO Germaringen SV Oberachern Silver vanadium oxide battery (SVO battery) San Jose Chamber of Commerce, a chamber of commerce
SVO
Swedish chemist and crystallographer
phases of transition metal oxides, such as nonstoichiometric tungsten oxide, molybdenum oxide, titanium oxide, and vanadium oxide are named after him. Magnéli
Arne_Magnéli
primary aluminium production. Primary aluminium is produced from aluminium oxide which is obtained from bauxite and excludes recycled aluminium. This is
Lists of countries by mineral production
Lists_of_countries_by_mineral_production
Microporous, aluminosilicate mineral group
aluminosilicates, the framework is formed by linking of aluminium and silicon atoms by oxides. This linking leads to a 3-dimensional network of Si-O-Al, Si-O-Si, and
Zeolite
Rechargable battery used for vehicles
nickel–cadmium Nickel–iron battery used in the Detroit Electric Lithium vanadium oxide made its way into the Subaru prototype G4e. CTx series: Cell to Module
Electric_vehicle_battery
Hot Jupiter orbiting WASP-76
" Additionally, only upper limits on the presence of titanium and vanadium oxides were detected. By 2021, the controversy surrounding the presence of
WASP-76b
Lead mine in Zambia
8 million tons (mt) of zinc, 0.8 mt of lead metal; 7,816 tonnes of vanadium oxide; 80,000 kilograms of silver; and 235,000 kilograms of cadmium. Mining
Kabwe_mine
Series of chemical elements
is ascribed to their ability to adopt multiple oxidation states and to form complexes. Vanadium(V) oxide (in the contact process), finely divided iron
Transition_metal
Ion with many transition metals
Placeholder Strategy To Access a Family of Transition-Metal-Functionalized Vanadium Oxide Clusters". Chem. Eur. J. 20 (38): 12269–12273. doi:10.1002/chem.201403592
Heteropolymetalate
Extremely small cylinder not made with carbon atoms
have been synthesised of many non-carbon materials, such as vanadium oxide and manganese oxide, and are being researched for such applications as redox catalysts
Non-carbon_nanotube
Chemical element with atomic number 41 (Nb)
it is one of the three elemental type II superconductors, along with vanadium and technetium. The superconductive properties are strongly dependent on
Niobium
Chemical compound
Vanadyl nitrate, also called vanadium oxytrinitrate or vanadium oxynitrate, is an inorganic compound of vanadium in the +5 oxidation state with nitrate ligands
Vanadyl_nitrate
Alloy of iron and vanadium
decreasing its supply and driving up the price. Ferroalloy Steel alloy Vanadium Vanadium(V) oxide National Center for Biotechnology Information. PubChem Compound
Ferrovanadium
catalytic oxidation of methanol. The most commonly used catalysts are silver metal or a mixture of an iron oxide with molybdenum and/or vanadium. In the
Formox_process
American chemist
and a half years. For her doctoral research Whittaker studied vanadium oxide. Vanadium oxide is opaque when hot and transparent when cold, and Whittaker
Luisa_Whittaker-Brooks
composition of this dark cloud, in the models, is assumed to be titanium/vanadium oxide (sometimes abbreviated "TiVO"), by analogy with red dwarfs, but its
Sudarsky's gas giant classification
Sudarsky's_gas_giant_classification
Battery with a calcium electrode
using metal anodes, metal oxides, carbons, and metals/semiconductors as alloying compounds. Examples include vanadium oxide (V2O5), copper-calcium alloying
Calcium_battery
Chemical compound
the reaction of raw materials such as metallic Vanadium, ferrovanadium, vanadium (V) oxide and vanadium tetrafluoride with elemental fluorine. VF5 ionises
Vanadium_pentafluoride
Chemical compound
volatile liquid, it is a common alkoxide of vanadium. It is used as a reagent and as a precursor to vanadium oxides. The compound is diamagnetic. It is prepared
Vanadyl_isopropoxide
Binary star system in the Phoenix constellation
determined to be L0 with very low gravity due to stronger than expected vanadium oxide absorption. H-alpha can be influenced by chromospheric activity, complicating
Delorme_1
Any of the fifteen lanthanides plus scandium and yttrium
1803, they obtained a white oxide and called it ceria. Martin Heinrich Klaproth independently discovered the same oxide and called it ochroia. It took
Rare-earth_element
Gem variety of corundum
consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and
Sapphire
Class of minerals containing sulfide or disulfide as the major anion
10 Patronite 02.F Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O 02.FA With As, (Sb), S: 05 Duranusite, 10 Dimorphite, 15a
Sulfide_mineral
Topics referred to by the same term
VO2 may refer to: Vanadium(IV) oxide. a chemical compound VO2 max, the maximum rate of oxygen consumption as measured during incremental exercise This
VO2
(naturally formed iron oxides) Raw umber (PBr7): a natural clay pigment consisting of iron oxide, manganese oxide and aluminum oxide: Fe2O3 + MnO2 + nH2O
List_of_inorganic_pigments
Class of fermionic quasiparticles
coexisting non-trivial topological, and semi-Dirac, behavior in titanium/vanadium oxide heterostructures. These excitations occur at the merger of three Dirac
Semi-Dirac_fermion
Chemical compound
Vanadium (V) chloride chlorimide is a chemical compound containing vanadium in a +5 oxidation state bound to three chlorine atoms and with a double bond
Vanadium(V) chloride chlorimide
Vanadium(V)_chloride_chlorimide
sensor camera-on-a-chip 2011 Esther Sans Takeuchi 1953 Lithium/silver-vanadium oxide battery 2011 Eugene Sullivan 1872 Borosilicate glass 2011 François Hennebique
List of National Inventors Hall of Fame inductees
List_of_National_Inventors_Hall_of_Fame_inductees
Type of catalysis involving reactants & catalysts in different phases of matter
metal oxides; however, some chemical reactions can be catalyzed by carbon-based materials, e.g., oxidative dehydrogenations or selective oxidations. Ethylbenzene
Heterogeneous_catalysis
Extrasolar planet in the constellation Hercules
shell of dark, opaque, hot clouds are usually thought to be vanadium oxide and titanium oxide ("pM planets"), but spectral measurement in 2021 has revealed
HD_149026_b
include pyridine-N-oxide, ferricyanide/water, and N-methylmorpholine N-oxide. As catalysts for the polymerization of dienes, vanadium complexes are activated
Reoxidant
Exoplanet
iron hydride was confirmed in 2021, along with tentative detection of vanadium oxide. Also, in 2022 an atmospheric sodium has been detected. GQ Lupi b WASP-17b
WASP-79b
Chemical compound
2-naphthoquinone. The industrial synthesis involves aerobic oxidation of naphthalene over a vanadium oxide catalyst: C10H8 + 3/2 O2 → C10H6O2 + H2O However, naphthoquinone
1,4-Naphthoquinone
Minerals containing the carbonate ion
Arsenates(IV), sulfates(IV) and iodates (IDs 4.J–K) Tellurium oxysalts Vanadium oxides (IDs 4.H) "Evaporites and similars" Carbonates (IDs 5.A–E) Nitrates
Carbonate_mineral
Mineral classification
Arsenates(IV), sulfates(IV) and iodates (IDs 4.J–K) Tellurium oxysalts Vanadium oxides (IDs 4.H) "Evaporites and similars" Carbonates (IDs 5.A–E) Nitrates
Dana_classification_system
Motor vehicle
in a solvating co-polymer (polyoxyethylene); (3) cathode composed of vanadium oxide, carbon, and polymer to form a plastic composite; and (4) aluminium
Bolloré_Bluecar
Chemical element with atomic number 8 (O)
highly reactive, a nonmetal, and a potent oxidizing agent that readily forms oxides with most elements as well as with other compounds. Oxygen is the most abundant
Oxygen
Sedimentary rock rich in aluminium
boehmite (γ-AlO(OH)), and diaspore (α-AlO(OH)), mixed with the two iron oxides goethite (FeO(OH)) and hematite (Fe2O3), the aluminium clay mineral kaolinite
Bauxite
Chemical element with atomic number 26 (Fe)
due to its oxide layer. Iron forms various oxide and hydroxide compounds; the most common are iron(II,III) oxide (Fe3O4), and iron(III) oxide (Fe2O3). Iron(II)
Iron
combines lithium with an organic polymer. For example, polyaniline vanadium (V) oxide (PAni/V2O5) can be incorporated into the nitroxide-polymer lithium
Lithium hybrid organic battery
Lithium_hybrid_organic_battery
sulfastannides [SnxSy], plumboarsenide [As,Pb], plumbobismuthide [Bi,Pb] Oxide class (class 4): sulfites(IV) [SO3]2−, selenites(IV) [SeO3]2−, iodates [IO3]
List of minerals recognized by the International Mineralogical Association
List_of_minerals_recognized_by_the_International_Mineralogical_Association
VANADIUM OXIDE
VANADIUM OXIDE
Surname or Lastname
Scottish and Irish
Scottish and Irish : reduced form of McNay.English : variant of Nye.French : habitational name from places so called in Manche and Pyrénées Atlantiques, possibly named with Latin Nadium, from a Gaulish personal name, Nadius.Dutch : metonymic occupational name for a tailor or embroiderer, from a derivative of naaien ‘to sew’.Jewish (Ashkenazic) : Yiddish equivalent of German Neu.
VANADIUM OXIDE
VANADIUM OXIDE
Boy/Male
Irish Teutonic Gaelic
Strong.
Boy/Male
Indian
Islamic place
Boy/Male
Hindu, Indian
Lord of Strength
Girl/Female
Assamese, Bengali, Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Oriya, Sanskrit, Tamil, Telugu
Princess; Earth
Girl/Female
Tamil
Tanusya | தநà¯à®‚ஸà¯à®¯à®¾Â
A great devotee
Girl/Female
Muslim/Islamic
Date tree
Boy/Male
Muslim
Another name of God, One who breaks
Girl/Female
Hebrew Hungarian
Grace.
Female
Polish
Feminine form of Polish Justyn, JUSTYNA means "fair, just."
Girl/Female
Arabic, Christian, Gujarati, Hindu, Indian, Kannada, Latin, Malayalam, Marathi, Muslim, Sindhi, Telugu
Precious Gold Coin
VANADIUM OXIDE
VANADIUM OXIDE
VANADIUM OXIDE
VANADIUM OXIDE
VANADIUM OXIDE
n.
Pledge; security; bail. See Mortgage.
a.
Of or pertaining to vanadium; obtained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen.
n.
A binary compound of oxygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc.
n.
An aroid plant (Caladium sagittaefolium), the leaves of which are boiled and eaten in the West Indies.
a.
Pertaining to, or obtained from, vanadium; containing vanadium; specifically distinguished those compounds in which vanadium has a relatively higher valence as contrasted with the vanadious compounds; as, vanadic oxide.
a.
Of, pertaining to, or designating, a vanadic acid analogous to metaphosphoric acid.
n.
A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black.
n.
A fragrant gum resin obtained chiefly from tropical trees of the genera Amyris and Canarium. A. elemifera yields Mexican elemi; C. commune, the Manila elemi. It is used in the manufacture of varnishes, also in ointments and plasters.
n.
A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.
n.
The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds.
n.
A genus of aroideous plants, of which some species are cultivated for their immense leaves (which are often curiously blotched with white and red), and others (in Polynesia) for food.
n.
An earthy oxide of manganese, or mixture of different oxides and water, with some oxide of iron, and often silica, alumina, lime, or baryta; black ocher. There are several varieties.
n.
A salt of vanadic acid.
n.
A salt of vanadious acid, analogous to a nitrite or a phosphite.
n.
A rare element of the nitrogen-phosphorus group, found combined, in vanadates, in certain minerals, and reduced as an infusible, grayish-white metallic powder. It is intermediate between the metals and the non-metals, having both basic and acid properties. Symbol V (or Vd, rarely). Atomic weight 51.2.
n.
A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.
n.
A name originally given (from its red acid) to the metal vanadium.
a.
Pertaining to, or designating, an acid of vanadium, analogous to pyrophosphoric acid.
v. t.
To bring back a metal to the metallic form, as from an oxide or solution; to reduce.
a.
Pertaining to, or containing, vanadium; specifically, designating those compounds in which vanadium has a lower valence as contrasted with the vanadic compounds; as, vanadious acid.