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Ruthenium - Notable characteristics | | Ruthenium - Notable characteristics: Encyclopedia II - Ruthenium - Notable characteristics | | A polyvalent hard white metal, ruthenium is a member of the platinum group, has four crystal modifications and does not tarnish at normal temperatures, but does oxidize explosively. Ruthenium dissolves in fused alkalis, is not attacked by acids but is attacked by halogens at high temperatures and by hydroxides. Small amounts of ruthenium can increase the hardness of platinum and palladium. The corrosion resistance of titanium is increased mar ...
See also:Ruthenium, Ruthenium - Notable characteristics, Ruthenium - Applications, Ruthenium - History, Ruthenium - Occurrence, Ruthenium - Compounds, Ruthenium - Isotopes, Ruthenium - Organometallic chemistry, Ruthenium - Precautions | | | Ruthenium, Ruthenium - Applications, Ruthenium - Compounds, Ruthenium - History, Ruthenium - Isotopes, Ruthenium - Notable characteristics, Ruthenium - Occurrence, Ruthenium - Organometallic chemistry, Ruthenium - Precautions | | |
| | | Ruthenium: Encyclopedia II - Ruthenium - Notable characteristics
Ruthenium - Notable characteristics
A polyvalent hard white metal, ruthenium is a member of the platinum group, has four crystal modifications and does not tarnish at normal temperatures, but does oxidize explosively. Ruthenium dissolves in fused alkalis, is not attacked by acids but is attacked by halogens at high temperatures and by hydroxides. Small amounts of ruthenium can increase the hardness of platinum and palladium. The corrosion resistance of titanium is increased markedly by the addition of a small amount of ruthenium.
This metal can be plated either through electrodeposition or by thermal decomposition methods. One ruthenium-molybdenum alloy has been found to be superconductive at 10.6 K. The oxidation states of ruthenium range from +1 to +8, and -2 is known, though oxidation states of +2, +3, and +4 are most common.
Other related archives1844, Cd, Fischer-Tropsch synthesis, Gottfried Osann, Grubbs' Catalyst, H, Hydrogen sulfide, Jedrzej Sniadecki, Jöns Berzelius, K, Karl Klaus, Latin, Organometallic, Pyroxenite, Roper's complex, S, South Africa, Sudbury, Ontario, Ural Mountains, alloy, alloys, ammonium, amu, aqua regia, arc welding, argon, atomic number, atomic weights, beta emission, bio-accumulates, carcinogenic, catalyst, catalysts, chemical element, compounds, decay mode, decay product, discovered, electrodeposition, electron capture, half-life, halogens, hydrogen, isotopes, jet engines, molybdenum, oil refineries, olefin metathesis, organometallic, osmium, osmium tetroxide, oxidation states, oxidize, palladium, pentlandite, periodic table, platinum, platinum group, radioisotopes, rhodium, solar energy, superalloys, superconductive, technetium, titanium, toxic, transition metal
 Adapted from the Wikipedia article "Notable characteristics", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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