meaning in Hindi is . It lets you search and get Tamil meaning of a English word in less than a few seconds. We're doing our best to make sure our content is useful, accurate and safe.If by any chance you spot an inappropriate comment while navigating through our website please use this form to let us know, and we'll take care of it shortly. [32], Osmium was discovered in 1803 by Smithson Tennant and William Hyde Wollaston in London, England. The second large alluvial deposit was found in the Ural Mountains, Russia, which is still mined.[44][48]. [36] Victor Collet-Descotils, Antoine François, comte de Fourcroy, and Louis Nicolas Vauquelin also observed iridium in the black platinum residue in 1803, but did not obtain enough material for further experiments. 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. [63] This high reflectivity is desirable in space-based UV spectrometers, which have reduced mirror sizes due to space limitations. Here is a list of elements of the periodic table, their atomic numbers, and element symbols.The list is ordered by increasing atomic number, which is the number of protons in an atom of that element. There are two most common alloys of osmium, iridosmium and osmiridium. eka-osmium name numerology is 8 and here you can learn how to pronounce eka-osmium, eka-osmium origin and similar names to eka-osmium name. A rare metallic element of the platinum group with atomic number 76. What does osmio- mean? Iridium is a chemical element with the symbol Ir and atomic number 77. (5) Other examples of relative isotopic dating are the deuterium variations in ice cores and the osmium isotope record of marine sediments. Smaller reserves can be found in the United States. 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. 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. A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os. [62], Osmium has high reflectivity in the ultraviolet range of the electromagnetic spectrum; for example, at 600 Å osmium has a reflectivity twice that of gold. [22][23][26][27], In general, the lower oxidation states of osmium are stabilized by ligands that are good σ-donors (such as amines) and π-acceptors (heterocycles containing nitrogen). Thanks for your vote! FLEGENHEIMER, J. veera meaning in tamil Posted on September 24, 2020 by (If you would like to suggest one or more categories for the name, click here).We have plenty of different baby name categories to search for special meanings plus popular and unique names, search our database before choosing but also note that baby name categories … Definition of osmium in the Definitions.net dictionary. [33] The discovery of osmium is intertwined with that of platinum and the other metals of the platinum group. You have searched the English word "Osmium " meaning in Hindi "आज़मियम" aazmiyam. Because osmium atoms are extremely electron-dense, osmium staining greatly enhances image contrast in transmission electron microscopy (TEM) studies of biological materials. Osmium tetroxide is highly volatile and penetrates skin readily, and is very toxic by inhalation, ingestion, and skin contact. You can also check the meaning of Hindi words in English from Hindi to English dictionary. English to Telugu. (4) Along with osmium and platinum, iridium is one of the densest elements in the periodic table: two cubic feet of it weigh as much as a Buick. Etymology: [Gr. [29], Osmium has seven naturally occurring isotopes, six of which are stable: 184Os, 187Os, 188Os, 189Os, 190Os, and (most abundant) 192Os. This English to Sinhala dictionary also provides you an Android application for your offline use. Osmium powder has the characteristic smell of osmium tetroxide. Alpha decay is predicted for all seven naturally occurring isotopes, but it has been observed only for 186Os, presumably due to very long half-lives. Os definition: a mouth or mouthlike part or opening | Meaning, pronunciation, translations and examples The higher oxidation states are stabilized by strong σ- and π-donors, such as O2− and N3−. Used for post staining of DAB/peroxidase to darken and retain stain for long term storage, Scheller, E. L. et al. ], Osmium. The noun osmium can be countable or uncountable.. [52] The first method is similar to the procedure used by Tennant and Wollaston. 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. Meaning Tamil Meaning Category; OS: Overlapping Spheres (method)-Computer Acronyms(common) OS: Left Eye-Medical(slang) OS: On-Orbit Station-Organizations: OS: Operating Software-Organizations: OS: Operating System-Organizations: OS: OPtics Subsystem-Organizations: OS: Orbiter CEI Specification-Organizations: OS: Osmium-Astronomy: OS: … [47][51] Osmium, ruthenium, rhodium and iridium can be separated from platinum, gold and base metals by their insolubility in aqua regia, leaving a solid residue. In 1898 an Austrian chemist Auer von Welsbach developed the Oslamp with a filament made of osmium, which he introduced commercially in 1902. [5] The Osmium Tetroxide report highlights the most recent market trends. It is a hard, brittle, bluish-white transition metal in the platinum family and is the densest naturally occurring element, with a density of 22.59 g/cm³.

Lots of possibilities were explored, but - largely thanks to the work of the Austrian chemist Carl Auer Von Welsbach - the top two elements-as-filaments ended up being osmium and tungsten.which has an even higher melting point. [72] Airborne low concentrations of osmium tetroxide vapor can cause lung congestion and skin or eye damage, and should therefore be used in a fume hood. [55][failed verification], Because of the volatility and extreme toxicity of its oxide, osmium is rarely used in its pure state, but is instead often alloyed with other metals for high-wear applications.

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