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Tungsten hexafluoride was first obtained by conversion of tungsten hexachloride with hydrogen fluoride by Otto Ruff and Fritz Eisner in 1905. [11] [12] WCl 6 + 6 HF → WF 6 + 6 HCl. The compound is now commonly produced by the exothermic reaction of fluorine gas with tungsten powder at a temperature between 350 and 400 °C: [7] W + 3 F 2 → WF 6
Odin Technologies Aims to Be the Chief of RFID The Washington Post; NI+C of Japan teams with Odin Technologies for scientific RFID testing Test and Measurement World Archived 2016-03-04 at the Wayback Machine; ODIN Technologies Establishes RFID Joint Venture in Europe, ODIN Budapest SecureID News Archived 2006-10-27 at the Wayback Machine
Wah Chang Corporation was an American manufacturing company in the metal or alloy industry based in Albany, Oregon in the United States. Since 2014, it has been a business unit of Allegheny Technologies and makes corrosion-resistant metals, such as hafnium, niobium, titanium, vanadium, and zirconium.
Sodium tungstate is obtained by digestion of tungsten ores, the economically important representatives of which are tungstates, in base. Illustrative is the extraction of sodium tungstate from wolframite: [1] Fe/MnWO 4 + 2 NaOH + 2 H 2 O → Na 2 WO 4 ·2H 2 O + Fe/Mn(OH) 2. Scheelite is treated similarly using sodium carbonate.
Tungsten (also called wolfram) [14] [15] is a chemical element; ... Applications requiring its high density include weights, counterweights, ballast keels for yachts, ...
Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through sintering [7] for use in industrial machinery, engineering facilities, [8] molding blocks, [9] cutting tools, chisels, abrasives, armor ...
Tungsten disulfide is an inorganic chemical compound composed of tungsten and sulfur with the chemical formula WS 2. This compound is part of the group of materials ...
Tungsten(III) oxide (W 2 O 3) is a compound of tungsten and oxygen. It has been reported (2006) as being grown as a thin film by atomic layer deposition at temperatures between 140 and 240 °C using W 2 (N(CH 3 ) 2 ) 6 as a precursor. [ 1 ]