![](pixmaps/trans.gif) AnteriorSuperiorAlveolarArtery
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Sigma KEE - Ruthenium
Ruthenium
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Hard white metallic transition element. Found with platinum, used as a catalyst in some platinum alloys. Dissolves in fused alkalis, and is not attacked by acids. Reacts with halogens and oxygen at high temperatures. Isolated in 1844 by K.K. Klaus.
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