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Tungsten(V) compounds (4 P) Tungsten(VI) compounds (3 P) Pages in category "Tungsten compounds" The following 14 pages are in this category, out of 14 total.
The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten. [78] WC/metal composite rings use nickel as the metal matrix in place of cobalt because it takes a higher luster when polished. Sometimes manufacturers or retailers refer to tungsten carbide as a metal, but it is a ...
Titanium rings are jewelry rings or bands which have been primarily constructed from titanium. The actual compositions of titanium can vary, such as "commercial pure" (99.2% titanium) or "aircraft grade" (primarily, 90% titanium, 6% aluminum, 4% vanadium), and titanium rings are often crafted in combination with other materials, such as gemstones and traditional jewelry metals.
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 ...
The +4 oxidation state dominates titanium chemistry, [1] but compounds in the +3 oxidation state are also numerous. [2] Commonly, titanium adopts an octahedral coordination geometry in its complexes, [3] [4] but tetrahedral TiCl 4 is a notable exception. Because of its high oxidation state, titanium(IV) compounds exhibit a high degree of ...
Via the Kroll process, TiCl 4 is used in the conversion of titanium ores to titanium metal. Titanium tetrachloride is also used to make titanium dioxide, e.g., for use in white paint. [52] It is widely used in organic chemistry as a Lewis acid, for example in the Mukaiyama aldol condensation. [53]
The definition of metal includes: Post-transition metals, i.e. aluminium, gallium, indium, thallium, tin, lead, and bismuth. Metalloids, e.g. silicon, germanium, arsenic, antimony and tellurium. Homogeneous and heterogeneous solid solutions of metals, and interstitial compounds such as carbides and nitrides are excluded under this definition ...
The bond order between the tungsten centers in W 2 (hpp) 4 Cl 2 is three. This dichloride is further reduced by potassium metal to W 2 (hpp) 4. This species has a quadruple bond between the two tungsten centers. Related quadruply bonded complexes include [W 2 Cl 8] 4− and [Mo 2 Cl 8] 4−.
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