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ruthenium    
n. 钌

钌

ruthenium
n 1: a rare polyvalent metallic element of the platinum group;
it is found associated with platinum [synonym: {ruthenium},
{Ru}, {atomic number 44}]

Ruthenium \Ru*the"ni*um\, n. [NL. So named from the Ruthenians,
a Little Russian people, as coming from Russia, the metal
having been found in the Ural mountains.] (Chem.)
A rare element of the light platinum group, found associated
with platinum ores, and isolated as a hard, brittle
steel-gray metal which is very infusible. Symbol Ru. Atomic
weight 103.5. Specific gravity 12.26. See {Platinum metals},
under {Platinum}.
[1913 Webster]


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  • Ruthenium - Wikipedia
    Ruthenium is a chemical element; it has symbol Ru and atomic number 44 It is a rare transition metal belonging to the platinum group of the periodic table Like the other metals of the platinum group, ruthenium is unreactive to most chemicals
  • Ruthenium | Chemical Element, Catalysts, Alloys | Britannica
    Ruthenium, chemical element, one of the platinum metals of Group 810 (VIIIb), Periods 5 and 6, of the periodic table, used as an alloying agent to harden platinum and palladium
  • Ruthenium - Element information, properties and uses | Periodic Table
    Ruthenium is one of the most effective hardeners for platinum and palladium, and is alloyed with these metals to make electrical contacts for severe wear resistance It is used in some jewellery as an alloy with platinum Ruthenium has no known biological role Ruthenium (IV) oxide is highly toxic Ruthenium is one of the rarest metals on Earth
  • Ruthenium Facts, Symbol, Discovery, Properties, Uses
    A transition metal, ruthenium (pronounced as roo-THE-nee-em) is denoted by the chemical symbol Ru [1] Its abundance in the earth’s crust is estimated to be 1×10 -7 % [19]
  • Ruthenium | History, Uses, Facts, Physical Chemical Characteristics
    Ruthenium was discovered in 1884 and is member of the platinum family It is a rare metal and widely in electrical industry and in making alloys
  • Ruthenium Element Facts - chemicool. com
    Ruthenium is a very rare, hard, lustrous, brittle, silvery-white metal that does not tarnish at room temperature Typical of transition metals, ruthenium can exist in many oxidation states, its most common being the oxidation states II, III and IV The metal is unaffected by air, water and acids
  • Ruthenium: Element Properties and Uses - samaterials. com
    Ruthenium is a rare transition metal with atomic number 44, known for its unique chemical and physical properties and its importance in various industrial applications
  • Ruthenium prices hit record high as AI boom squeezes supply
    By Anushree Mukherjee March 16 (Reuters) - Ruthenium, a minor metal in the platinum-group metals (PGMs), has surged to an all-time high as supply constraints and growing demand linked to
  • What Is Ruthenium? Properties, Sources, and Uses
    Ruthenium is a rare transition metal that plays an oversized role in modern technology, despite its low abundance in the Earth’s crust It belongs to the platinum group metals (PGMs), a collection of six elements known for their exceptional stability
  • Ruthenium | Ru (Element) - PubChem
    Ruthenium is a hard, white metal and has four crystal modifications It does not tarnish at room temperatures, but oxidizes explosively





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