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The addition of 0.1% ruthenium improves the corrosion resistance of titanium a hundred times over. Ruthenium displays a wide range of oxidation states (7 or 8), although it is most commonly found in the II, III, and IV states. They were examining residues left over from dissolving crude platinum in the Ural Mountains. Ruthenium is a very rare, hard, lustrous, brittle, silvery-white metal that does not tarnish at room temperature. Anyone can earn The rarity of the platinum group metals (which are often found together) makes them all expensive but unlike platinum, rhodium and palladium which have use in automobile catalytic converters, for example, ruthenium was historically not so much in demand. It is found in the center of the periodic table, in the transition metals. 's' : ''}}. Here are physical and chemical properties and other ruthenium facts: Ruthenium occurs with other members of the platinum group of metals in the Ural mountains and in North and South America. Ruthenium is a rare silvery-white metal that belongs to the “platinum group” of metals, which means that it is not very chemically reactive.
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The element’s name comes from the Latin word ‘Ruthenia’ meaning Russia, as the platinum ores were originally from the Ural Mountains in Russia. Mary Elvira Weeks, The Discovery of the Elements.
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Source: Ruthenium is found free in nature often with the other platinum group metals. While it does not readily tarnish, the pure element can form a reactive oxide that can explode. Create your account, Already registered? It is usually obtained as a byproduct of mining platinum.
Klaus used a lengthy process to obtain the salt, ammonium chlororuthenate, (NH4)2RuCl6, from which he could isolate the metal ruthenium and identify its properties. Ruthenium is one of the rarest metals on Earth. Radioactive ruthenium-106 (one-year half-life) and its short-lived daughter rhodium-106 contribute an important fraction of the residual radiation in reactor fuels a year following their use.