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Osmium (from Ancient Greek ὀσμή (osmḗ) 'smell') is a chemical element; it has symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores.
This is a list of prices of chemical elements.Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.
Osmium(I) iodide is a metallic grey solid produced by the reaction of osmium tetroxide and hydroiodic acid heated in a water bath for 48 hours in a carbon dioxide atmosphere. It is an amorphous compound. [34] Osmium(II) iodide is a black solid [35] produced by the reaction of osmium tetroxide and hydroiodic acid at 250 °C in nitrogen: [34]
Osmiridium-564562. Osmiridium and iridosmine are natural alloys of the elements osmium and iridium, with traces of other platinum-group metals.. Osmiridium has been defined as containing a higher proportion of iridium, with iridosmine containing more osmium.
Osmium diphosphide is a binary inorganic compound of osmium metal and phosphorus with the chemical formula OsP 2. Synthesis. Osmium diphosphide can be obtained by ...
Osmium borides are produced in vacuum or inert atmosphere to prevent formation of osmium tetroxide, which is a hazardous compound. Synthesis occurs at high temperatures (~1000 °C) from a mixture of MgB 2 and OsCl 3. [1]
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Rhenium–osmium dating; T. Smithson Tennant This page was last edited on 15 April 2021, at 14:34 (UTC). Text is available under the Creative Commons Attribution ...
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