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Ruthenium (Ru)
Ruthenium ([Kr]4d75s1) (CAS 7440-18-8) a member of the platinum group, is a hard, lustrous, white metal that does not tarnish at room temperatures. It does not occur native but in combination with other platinum group metals. Ruthenium combines with platinum and palladium as an effective hardener, creating alloys that are extremely wear-resistant. It improves the corrosion resistance of titanium and is superconductive when combined with molybdenum.
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Ruthenium, 99.9%, (trace metal basis), -200 mesh, powder, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to...
Ruthenium powder, -200 mesh, Premion™, 99.99+% (metals basis excluding Ca), Ca 100ppm max, Thermo Scientific Chemicals Thermo Scientific Chemicals
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...
Ruthenium, 5% on alumina powder, Thermo Scientific Chemicals Thermo Scientific Chemicals
Hydrogenation of aliphatic carbonyls and aromatic rings, especially bulky molecules. Ruthenium on alumina catalyst plays an important role for copper-free sonogashira coupling reactions. It is likewise a useful catalyst for the racemization of secondary alcohols.
Ruthenium, 10% on activated carbon powder, reduced, Thermo Scientific Chemicals Thermo Scientific Chemicals
Ruthenium, 10% on activated carbon powder is used in hydrogenation of aromatic ring systems, particularly the hindered systems. It finds wide use for the reduction of aliphatic carbonyl compounds and carboxylic acids to alcohols, hydrogenation of anilines to cyclohexylamines, synthesis of ammonia,...
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Primary XPS region: Ru3d Overlapping regions: C1s Binding energies of common chemical states:, Oxide charge referenced to adventitious C1s peak at 284.8eV., N/A, Ru3d region has significantly split spin-orbit components (D=4.2eV). Ru metal and RuO2 both give asymmetric Ru3d peaks shapes.
In 1980, the Japanese Nobel prize-winning chemist Ryoji Noyori reported that BINAP (2,2'-bis(diphenylphosphino)-1,1'-binaphthyl) complexed with ruthenium [BINAP-Ru(II)] catalyzed the asymmetric hydrogenation of alpha-(acylamino)acrylic acids or esters to give the corresponding amino acid derivatives...