scandium oxide halide

US3351798A - Scandium halide discharge lamp - Google Patents

US3351798A US30237663A US3351798A US 3351798 A US3351798 A US 3351798A US 30237663 A US30237663 A US 30237663A US 3351798 A US3351798 A US 3351798A Authority US United States Prior art keywords mercury pressure scandium lamp high Prior art date 1962-08-22 Legal status (The legal status is an assumption and is not a legal conclusion.

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Scandium Oxide Market Future Challenges and Industry ...

Global Scandium Oxide Market analysis is provided for the major regions of the world, including development trends, competitive landscape analysis, and key regions development status. Scandium (III) oxide, Sc2O3, is a high melting rare earth oxide. Scandium oxide appears as a free flowing white powder.

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SCANDIUM

Principal uses for scandium are in solid oxide fuel cells (SOFs), high-strength aluminum alloys, high-intensity metal halide lamps, electronics, and laser research. Solid Oxide Fuel Cells (SOFC’s) – Scandia can substitute for yttria as a stabilizing agent for the solid electrolyte (typically zirconia) in the fuel cell.

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Scandium Oxide Market Size Soaring at 11.5% CAGR to reach ...

Apr 24, 2019· Apr 24, 2019 (Heraldkeeper via COMTEX) -- Scandium (III) oxide, Sc2O3, is a high melting rare earth oxide. Scandium oxide appears as a free flowing white powder. It …

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Scandium Oxide, Scandium Oxide Suppliers and Manufacturers ...

A wide variety of scandium oxide options are available to you, such as cerium, samarium, and yttrium. You can also choose from free samples. There are 420 scandium oxide suppliers, mainly located in Asia. The top supplying countries or regions are China, Belgium, and South Africa, which supply 90%, 6%, and 1% of scandium oxide respectively.

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Scandium Facts - 66 Facts on One of Transition Metals For You

Scandium Oxide (Sc 2 O 3) and Scandium Hydroxide Sc(OH) 3 both can act as acid and base. Their behavior as an acid or base is dependent on the oxidation states of the oxide. 35. Except for the halide (a compound which contains halogen and other element or atom) that Scandium …

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Scandium oxide - definition of scandium oxide by The Free ...

Define scandium oxide. scandium oxide synonyms, scandium oxide pronunciation, scandium oxide translation, English dictionary definition of scandium oxide. n. A white amorphous powder, Sc2O3, used as a source of scandium and in manufacturing ceramics.

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Scandium oxide additions to metal halide lamps. - GTE PROD ...

Jun 29, 1988· For example, U.S. Patent No. 4,594,220 to Rigden, describes the use of scandium oxide in the electrodes of metal halide lamps, stating that, "it is essential that the scandium oxide is incorporated into the electrode structure by melting" (see, column 2, lines 21-23) and that the "scandium oxide (is an) activator" (see, column 2, line 67).

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Scandium Oxide Market Report – Research, Industry Analysis ...

Mar 18, 2019· Get latest Market Research Reports on Scandium Oxide. Industry analysis and Market Report on Scandium Oxide is a syndicated market report, published as Global Scandium Oxide Market Report 2019. It is complete Research Study and Industry Analysis of Scandium Oxide market, to understand, Market Demand, Growth, trends analysis and Factor Influencing market.

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what's scandium(Sc) metals,alloys, oxides,powder, prices ...

scandium is a very rare rare earth element. it is present in most of the deposits of rare earth and uranium compounds but it is only mined a few places throughout the world. roughly only 400 kg of scandium oxide is produced every year with an additional 10kg of of metallic scandium. the main and essentially only uses of scandium are to ...

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Scandium halide | Article about scandium halide by The ...

A compound of scandium and a halogen; for example, scandium chloride, ScCl 3. Want to thank TFD for its existence? Tell a friend about us , add a link to this page, or …

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Scandium oxide - Wikipedia

Scandium oxide is the primary form of refined scandium produced by the mining industry, making it the start point for all scandium chemistry. Scandium oxide reacts with most acids upon heating, to produce the expected hydrated product. For example, heating in excess aqueous HCl produces hydrated ScCl 3 …

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Scandium halide complexes of phosphine- and arsine-oxides ...

Download Citation on ResearchGate | Scandium halide complexes of phosphine- and arsine-oxides: Synthesis, structures and 45Sc NMR studies | The reactions of …

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Synthesis and structure of Ba2InO3X (X = F, Cl, Br) and ...

The structures of three indium and one scandium complex layered oxide halides have been determined from time-of-flight powder neutron diffraction data. The indium phases BaInOF, BaInOCl and BaInOBr all crystallize in the space group and exhibit complete oxide halide …

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Scandium Facts - Softschools.com

Within those mines, scandium is actually a byproduct of the mining of other elements, with the end result being scandium oxide. Only around 20 kg of scandium oxide is used each year in the US to make discharge lamps. Another 80 kg of scandium is used each year to make halide lamps. Scandium is not thought to be poisonous, but due to limited ...

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Global Scandium Metal Market to Grow to USD 93.7 Mn in ...

Jan 14, 2019· Jan 14, 2019 (WiredRelease via COMTEX) -- The latest report published by market.us has titled “Global Scandium Metal Market By Type (Scandium Oxide 99.99%,...

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Scandium(Sc) - Element Information, Properties, Facts ...

Scandium would limit the grain growth of high temperature, once alloyed with aluminium and aluminium based ones. Properties of Scandium. The metal has a silvery-white appearance while having a moderately soft texture. Owing to the formation of Sc 2 O 3 oxide on its surface, its stability in air changes slowly to a yellowish form.

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scandium oxide-Scandium products-Hunan Kunwell Advanced ...

Scandium is a soft, silvery metallic element. Its atomic number is 21, making it the lightest of the transition metals. Scandium is not particularly rare - its occurrence in crustal rocks is 22 around ppm.Kunwell produce high purity 99.9999% scandium oxide.

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Scandium (Sc) Products

As Scandium (Sc) is a quite hard-to-enrich element same group with Yttrium and lanthanides, it is also classified as a rare earth element. Scandium is an useful additive in metal-halide lamps. The aluminum-scandium alloy is light and strong, widely used as aerospace components and bicycle frames

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Scandium - an overview | ScienceDirect Topics

Scandium oxide has been selected as a model catalyst because it is a typical insulator oxide with a relatively stable and easy to reproduce surface. This property has been considered and exploited to validate the application of models which describe both the kinetics and equilibrium of …

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Scandium Oxide, Metal & Compounds from Metall Rare Earth ...

Scandium, atomic no.: 21, symbol as Sc, weight at 44.96, is mainly used in ceramics, lasers, phosphors and crystal. Scandium Oxide is suitable for the high index component of UV, AR and bandpass coatings due to its high index value, transparency, and layer hardness make high damage thresholds have been reported for combinations with Silicon Dioxide or Magnesium Fluoride for use in AR.

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Scandium – the Outlier Rare Earth - InvestorIntel

Jun 24, 2014· The positive effects of scandium on aluminium alloys were discovered in the 1970s. These alloys, composed of as little as 0.5% scandium, make a significant difference in strength. Scandium-stabilized zirconia enjoys a growing market demand for use as a high efficiency electrolyte in solid oxide fuel cells.

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Scandium Oxide Market Size & Share, 2018 | Industry ...

Major uses for scandium oxide are in solid oxide fuel cells (SOFC’s), high-strength aluminum alloys, high intensity metal halide lamps, electronics, and laser research. Scandium oxide is the primary form of refined scandium produced by the mining industry.

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Scandium: 2019 World Market Review and Forecast to 2028

production of aluminum alloys, solid oxide fuel cells, high intensity metal halide lamps, laser research are among principal scandium (Sc) applications economic concentrations of Sc are rare and it is obtain as a by-product of other metals production or from stockpiles

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Scandium Middleman Is A Rare Guy Selling A Rare Element : NPR

Jan 21, 2015· Scandium Middleman Is A Rare Guy Selling A Rare Element Our Planet Money team has a story about a man who realized at the time that he …

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Lamp Material Information Sheet HID Metal Halide Lamp

Lamp Material Information Sheet – HID Metal Halide Lamp Material Safety Data Sheets (MSDS) ... includes sodium and scandium iodide, and in some cases thorium iodide and cadmium. ... of the arc tube is aluminum oxide, a material generally considered to have a low order of toxicity. Public Information Bulletin 3/4/2011 Metals

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The Scandium Price: What You Need to Know | INN

Besides scandium oxide, other products include scandium chloride, scandium iodide, scandium fluoride and scandium acetate. Scandium iodide is added to halide light bulbs in order to help simulate ...

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Scandium - Wikipedia

Scandium is a chemical element with the symbol Sc and atomic number 21. A silvery-white metallic d-block element, it has historically been classified as a rare-earth element, together with yttrium and the lanthanides.It was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia.. Scandium is present in most of the deposits of rare-earth and uranium ...

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C&EN: IT'S ELEMENTAL: THE PERIODIC TABLE - SCANDIUM

It has been claimed that scandium provides the highest increment of strengthening per atomic percent of any of the other aluminum-alloying elements. Principal uses for scandium are in high-strength aluminum alloys, high-intensity metal halide lamps, electronics, and laser research.

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Facts, pictures, stories about the element Scandium in the ...

Virtually no pure scandium metal is sold in the world, most of the scandium that trades hands is either scandium oxide, or master alloys like this. A master alloy is a precisely formulated mixture of metals that is meant to be added to a pot of more common metal to form the desired final alloy. This one is aluminum with about 2% scandium added.

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Scandium (Sc) | AMERICAN ELEMENTS

Garnets containing scandium are used as gain media in lasers, including those used in dental surgery, and scandium-stabilized zirconia has been recognized as a high-efficiency electrolyte in solid oxide fuel cells. Finally, scandium oxide is used in metal-halide lamps that are used to produce high-intensity white light that resembles sunlight.

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Scandium oxide

Density 3.864. Melting point 2403 ° C ± 20 ° C. Do not dissolve in water, soluble in hot acid. By scandium salt thermal decomposition in the system. Application: used as a semiconductor coating of vapor deposition materials. Making a variable wavelength of solid-state lasers and high-definition television guns, metal halide lamps and so on.

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Global Scandium Metal Market | Trends, Share, Growth and ...

Global Scandium Metal Market By Type (Scandium Oxide 99.99%, Scandium Oxide 99.999%, Scandium Oxide 99.9995%, and Scandium Metal Ingot), By Application (Aluminum-scandium Alloys, High-intensity Metal Halide Lamps, Lasers, and SOFCs), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028

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