ruthenium in English
To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium , rhodium, palladium, osmium, iridium and platinum.
Use "ruthenium" in a sentence
1. Anhydrous ruthenium(III) chloride is usually prepared by heating powdered ruthenium metal with chlorine.
2. Beshriek 3063933968 Ruthenium plated ring
3. Key words: ruthenium, bimetallic, acetylide, insertion, electrochemistry.
4. Ruthenium tetroxide is a potential staining agent.
5. Entwicklung neuer Chiraler Ruthenium- Metathese(prä)katalysatoren
6. Silver, gold, platinum, osmium, iridium, rhodium and ruthenium and their alloys
7. The 103Ru and 106Ru will render the fission ruthenium very radioactive.
8. Claus showed that ruthenium oxide contained a new metal and obtained 6 grams of ruthenium from the part of crude platinum that is insoluble in aqua regia.
9. RuO2 can also be prepared through electroplating from a solution of ruthenium trichloride.
10. This visualization is enhanced if the accreted and condensed glycocalyx is stained with ruthenium red.
11. Novel ruthenium metal alkylidene complexes coordinated with triazolylidene ligands that exhibit high olefin metathesis activity
12. Ruthenium (Ru) accelerates silver reduction, and thus it makes a faster development rate possible with milder reducing agents.
13. Ruthenocene — bis(cyclopentadienyl)ruthenium — can be determined with surprisingly high sensitivity and selectivity by gas chromatography – flame photometry.
14. Ruthenium metal activates C–H and C–C bonds, that aids C–H and C–C bond scission.
15. In addition to benzene, acetylene and ethene, pyridine also decomposes on ruthenium surfaces, leaving bound fragments on the surface.
16. Alkylidene complexes of ruthenium with n-heterocyclic carbene ligands and their use as highly active, selective catalysts for olefin metathesis
17. The beta-decaying isotope 106 of ruthenium is used in radiotherapy of eye tumors, mainly malignant melanomas of the uvea.
18. This method allows platinum and ruthenium metal particles to be carried with no agglomeration and in the vicinity of each other, and thus enables the production of a platinum/ruthenium catalyst for polymer solid electrolyte type fuel-cell being excellent in resistance to catalyst poisoning by carbon monoxide.
19. Ruthenium red, 6+, is a biological stain used to stain polyanionic molecules such as pectin and nucleic acids for light microscopy and electron microscopy.
20. Ruthenium(III) reacts with thiovioluric acid in aqueous medium at pH 4.45–6.00 to yield pinkish-violet complex with absorption maximum at 540 nm.
21. The hydrate, with a varying proportion of water of crystallization, often approximating to a trihydrate, is a commonly used starting material in ruthenium chemistry.
22. Ruthenium tetroxide is a highly aggressive oxidant, but its one-electron reduced derivative is a mild oxidizing agent for the conversion of alcohols to aldehydes.
23. Ruthenium (IV) oxide is being used as the main component in the catalyst of the Sumitomo-Deacon process which produces chlorine by the oxidation of hydrogen chloride.
24. From 1944 onward, the famous Parker 51 fountain pen was fitted with the "RU" nib, a 14K gold nib tipped with 96.2% ruthenium and 3.8% iridium.
25. More specifically, the invention relates to the carrying out of said hemihydrogenation in the presence of a catalyst comprising ruthenium supported on an acetylene-black type carbon black.
26. Rhodium or ruthenium can substitute for iron as the catalyst with favorable chemical yields but are not typically used due to their cost of recovery from the reaction mixture.
27. “In situ” ruthenium photodeposition on anatase TiO2 was found to be an efficient method of obtaining Ru/TiO2 powders highly active in hydrogen photoevolution from water-methanol.
28. The invention relates to a ruthenium alkylidene complex comprising a 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand, the cycloalkyl group of said 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand being a cyclic secondary aliphatic alkyl.
29. Treatment of RuCl(dppm)(η5-C9H7) with alkynes HC≡C(C6H4)nC≡CH (n = 1, 2) in the presence of TlPF6 and t-BuONa affords the bimetallic ruthenium acetylide complexes [(η5-C9H7)(dppm)Ru]2(μ-C≡C(C6H4)nC≡C).
30. The metathesis catalyst is a ruthenium or osmium carbene complex catalyst, such as one containing an alkylidene ligand with basicity higher than that of tricyclohexylphosphine (PCY3) and a neutral electron donor ligand with a basicity lower than that of PCy3, whereby the catalyst initiates the metathesis reaction of the composition upon mixing with the substrate.
31. In one embodiment, a method is provided for carrying out a catalytic ring-opening cross-metathesis reaction, comprising contacting at least one olefinic substrate with at least one cyclic olefin as a cross metathesis partner, in the presence of a ruthenium alkylidene olefin metathesis catalyst under conditions effective to allow ring insertion cross metathesis whereby the cyclic olefin is simultaneously opened and inserted into the olefinic substrate.
32. The present invention provides a composite metal catalyst composition for converting an aromatic dicarboxylic acid into an alicyclic diol compound, the composition containing: a first metal catalyst including a palladium (Pd) compound; and a second metal catalyst including a ruthenium (Ru) compound, a tin (Sn) compound, and a platinum (Pt) compound, and a method and apparatus for preparing 1,4-cyclohexanedimethanol using the same.
33. The present invention leaches platinum groups from industrial waste containing platinum group metals (platinum (Pt), ruthenium (Ru), osmium (Os), rhodium (Rh), iridium (Ir), palladium (Pd)), adsorbs onto an absorbent platinum group metal ions inside a leachate, desorbs the platinum group metal ions attached to the adsorbent using a desorbent to recover high concentration platinum group metal ion mixed solution, and also, recover the platinum group metal ions in the metallic form by ashing the adsorbent having the platinum group metal ions attached thereto.