Tungsten (redirect from Wolfram (element))
Tungsten (also called wolfram) is a chemical element; it has symbol W and atomic number 74. It is a rare metal found naturally on Earth almost exclusively...
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+ 4 NO2 + 4 H2O As a soft acid, the Pt2+ ion has a great affinity for sulfide and sulfur ligands. Numerous DMSO complexes have been reported and care...
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insertion reactions of (MeCp)2Ta(H)CO with sulfur, tellurium, carbonyl sulfide and carbon disulfide". Inorganic Chemistry Communications. 1 (8): 317–319...
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acquire an amber colour from a reducing combustion atmosphere. Cadmium sulfide produces imperial red, and combined with selenium can produce shades of...
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a luminous material invented in 1914 consisting of a mixture of zinc sulfide and radium bromide. As they painted, they used their lips to form the tip...
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Niobium (section Oxides, niobates and sulfides)
This was a compromise of sorts; the IUPAC accepted tungsten instead of wolfram in deference to North American usage; and niobium instead of columbium...
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in Water at Several Temperatures of Alcohols, Ethers, Acetone, Dimethyl Sulfide, and Dimethyl Sulfoxide". Journal of the American Chemical Society. 99...
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subsequently named after) in 1980 by two German microbiologists Karl Setter and Wolfram Zillig, in Solfatara volcano (Pisciarelli-Campania, Italy). However, these...
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rich). In nickel and copper deposits, the platinum-group metals occur as sulfides (i.e., (Pt,Pd)S), tellurides (e.g., PtBiTe), antimonides (e.g., PdSb),...
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biotite and quartz; apatite, iron-titanium oxides, opaque minerals, sphene, sulfides and zircon are rare. Some phenocrysts show evidence of a complex history...
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