rhenium platinum containing

Rhenium Wikipedia

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The Oxidation State of Rhenium and Its Role in Platinum

Yao and Shelef have presented evidence from chemisorption experiments which shows that prior to calcination the rhenium on an alumina support is probably present in two forms, a crystalline three-dimensional phase of Re 2 O 7, and a dispersed two-dimensional phase containing Re 4+.Calcination would be expected to lead to the evaporation and loss of the crystalline Re 2 O 7.Онлайн-запрос

Hydroconversion of n-heptane on catalysts containing

Applied Catalysis,61 (1990) 283-292 283 Elsevier Science Publishers By., Amsterdam Printed in The Netherlands Hydroconversion of n-Heptane on Catalysts Containing Platinum, Rhenium and Platinum Rhenium on Sodium Mordenite A.K. ABOUL-GHEIT, M.F. MENOUFY and A.K. EL-MORSI Egyptian Petroleum Research Institute, Nasr City, Cairo (Egypt) (Received 6 September 1989, revised

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Rhenium – a valuable and rare element

We provice analytical services and competent advice on logistics and waste issues. Individual solutions rhenium metal management such as financing and leasing is part of our portfolio. Besides Rhenium, Heraeus offers ruthenium and platinum-containing compounds used in turbine blade production. Contact our rhenium experts for further information.Онлайн-запрос

METHOD FOR PLATINUM RECOVERY FROM MATERIALS

Sep 28, 2017· The present method provides for the isolation of platinum from an alloy containing platinum and rhenium, in which the platinum and/or rhenium that is produced does not contain more than 10% by weight, more preferably not more than 5% or 1% by weight, and most preferably not more than 0.1% by weight of any other metal.

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recovery of platinum and rhenium Cheresources

containing platinum and rhenium is entered the coloumn to adsorb the platinum and rhenium on resins. After the complete evacuation of the coloumn from solution , three times as much as the volume of the entered solution , distilled water is added to the coloumnОнлайн-запрос

Rhenium | Re PubChem

Rhenium in the form of rhenium-platinum alloy is used as catalyst for catalytic reforming, which is a chemical process to convert petroleum refinery naphthas with low octane ratings into high-octane liquid products. Worldwide, 30% of catalysts used for this process contain rhenium.Онлайн-запрос

Catalytic reforming with rhenium-platinum catalyst

Oct 26, 1982· A new reforming process employs a new rhenium-platinum catalytic composite having a rhenium to platinum weight ratio in the range of not less than 2 to about 5, whereby longer relative cycle length is obtained when reforming a naphtha having less than about 0.5 ppm by weight of sulfur than if the rhenium-platinum ratio is outside of such range.Онлайн-запрос

Rhenium (Re) Chemical properties, Health and

Rhenium, alloyed with platinum, was used in petroleum-reforming catalysis in the production of high-octane hydrocarbons, used for lead free gasoline. Other applications are rhenium-tungsten alloys in X-raytubes and rotating X-ray anodes.Онлайн-запрос

EWC Code: 16 08 01 | spent catalysts containing gold

EWC Code: 16 08 01 spent catalysts containing gold, silver, rhenium, rhodium, palladium, iridium or platinum (except 16 08 07). Type: Mirror Non-hazardous. Waste Desc: Spent Catalyst Containing Gold, Spent Catalyst Containing Silver, Spent Catalyst Containing Rhenium, Spent Catalyst Containing Rhodium, Spent Catalyst Containing Palladium 160801, European Waste CatalogueОнлайн-запрос

Welcome to Rhenium Alloys, Inc.

Quartz Halogen Lamps . The Rhenium Lamp Group, a division. of Rhenium Alloys, is an established supplier of high-quality rhenium alloys and other advanced materials for use in nuclear, semiconductor, electronic, space, and other high-tech industries throughout the world. Rhenium Alloys leverages proprietary manufacturing techniques along with state-of-the-art manufacturing equipment to ensureОнлайн-запрос

WebElements Periodic Table » Rhenium » compounds information

Platinum; Plutonium ☢ For each compound, a formal oxidation number for rhenium is given, but the usefulness of this number is limited for p-block elements in particular. Based upon that oxidation number, an electronic configuration is also given but note that for more exotic compounds you should view this as aОнлайн-запрос

Facts About Rhenium | Live Science

Aug 21, 2013· Rhenium is a silvery white element with a metallic luster. It has a high density point exceeded only by platinum, iridium and osmium, and its melting point isОнлайн-запрос

Platinum Wikipedia

Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal.Its name is derived from the Spanish term platino, meaning "little silver".. Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements.It has six naturally occurring isotopes.Онлайн-запрос

Interest to consider re-challenging by cetuximab and

Dec 25, 2018· In conclusion, at progression, treatment-containing platinum based chemotherapy and cetuximab (EXTREME or PCC chemotherapy) provided interesting results. Re-challenge by these regimens could be considered beyond the first line as an option when the PFI is greater than 3 months.Онлайн-запрос

Why Is Platinum In Some Chemotherapy Drugs, And Forbes

Apr 14, 2017· In the U.S., two other platinum-containing molecules are also approved cancer drugs: carboplatin and oxaliplatin. Perhaps the most famous person in recent memory toОнлайн-запрос

Catalytic reforming Wikipedia

The commonly used catalytic reforming catalysts contain noble metals such as platinum and/or rhenium, which are very susceptible to poisoning by sulfur and nitrogen compounds. Therefore, the naphtha feedstock to a catalytic reformer is always pre-processed in a hydrodesulfurization unit which removes both the sulfur and the nitrogen compounds.

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Illustrative list of products containing tin, tantalum

Illustrative list of products containing tin, tantalum, and tungsten (3Ts) The following list is an illustrative list of products containing the 3Ts. This is not an exhaustive list of products. The cycle 2 interim downstream report, which analyses the pilot implementation programme ofОнлайн-запрос

Reactions of N-phenyl-o-semiquinonediimine complexes of

The reactions of o-semiquinonediimine complexes M[o-(NH)(NPh)C6H4]2 (M = Ni (1) or Pt (2)) with carbonyl-containing iron and rhenium compounds were studied. The reactions of complexes 1 or 2 with Fe(CO)5 afforded the Fe2(CO)6[μ-(NH)(NPh)C6H4] complex (3) containing the bridging N-phenyl-o-phenylenediamide ligand in high yield. The reaction of the Re(CO)2(NO)Cl2(thf) complex with

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TENDER FOR DISPOSAL OF SPENT CATALYST CONTAINING

For DISPOSAL OF SPENT CATALYST CONTAINING PLATINUM & RHENIUM Bharat Petroleum Corporation Ltd., intends to dispose off approx. 41645 Kgs (estimated quantity) of Spent Catalyst containing platinum & Rhenium, from Catalytic Reforming Unit (CRU) of their Mumbai Refinery.Онлайн-запрос

7 Common Uses of Platinum in Everyday Life Chemical

Aug 28, 2017· In order to be called as platinum-based goods, a product must contain at least 90% of platinum or else it is called as platinum alloy. But even though goods that contain platinum can worth thousands of dollars and even more costly than gold, the price of platinum itself is not steady.Онлайн-запрос

Rhodium Wikipedia

Rhodium is a chemical element with the symbol Rh and atomic number 45. It is a rare, silvery-white, hard, corrosion-resistant, and chemically inert transition metal.It is a noble metal and a member of the platinum group.It has only one naturally occurring isotope, 103 Rh. Naturally occurring rhodium is usually found as free metal, as an alloy with similar metals, and rarely as a chemicalОнлайн-запрос

Reactions of N-phenyl-o-semiquinonediimine complexes of

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TENDER FOR DISPOSAL OF SPENT CATALYST CONTAINING

Rhenium Facts Softschools

Most rhenium is extracted from the refining of molybdenum or copper ores. The single most common commercial use for rhenium is in the alloys that make up jet engines. These alloys contain 6% rhenium, and are used to make the combustion chambers and other components of jets.Онлайн-запрос

7 Common Uses of Platinum in Everyday Life Chemical

Rhodium Wikipedia

An x-ray photoelectron study of the state of platinum and

An x-ray photoelectron study of the state of platinum and rhenium in metal-containing type L zeolite. S. G and M. V. Zaretskii, “A study of the catalytic properties of metal-containing zeolites in the dehydrocyclization of n-hexane,” Dokl An x-ray photoelectron study of the state of platinum and rhenium in metal-containing type LОнлайн-запрос

Platinum Wikipedia

Rhenium diboride Wikipedia

Rhenium diboride (ReB 2) is a synthetic superhard material.It was first synthesized in 1962 and re-emerged recently due to hopes of achieving high hardness comparable to that of diamond. The reported ultrahigh hardness has been questioned, although this is a matter of definition as in the initial test rhenium diboride was able to scratch diamond. The production method of this material does notОнлайн-запрос

Checklist of Old Electronic Devices that Contain Gold

May 26, 2017· They contain copper, lead and lots of other less valuable metals too. scrap computers with circuit boards containing gold, platinum and other precious metals that can be recycled by Specialty Metals. Old laptops and desktops – Big old desktop computers are about as useful as doorstops, but they still contain small quantities of gold.Онлайн-запрос

Method of aluminising a superalloy Rolls-Royce, PLC

Jun 27, 2000· Then the platinum aluminised low rhenium containing nickel based single crystal superalloy was heat treated in a vacuum, or a protective atmosphere, for 1 hour at 1100° C. and 16 hours at 870° C. A low rhenium containing nickel based single crystal superalloy with a platinum aluminide coating as shown in FIG. 1 was produced.Онлайн-запрос

The Uses of Precious Metals & Platinum in Aviation | Bizfluent

The aviation industry uses precious metals in the manufacture of aircraft engines. Gold and silver, as well as palladium and platinum, are used in the manufacture of different types of aircraft engines, such as CF6 and the JT3D, according to the Aviation Suppliers Association. JT8D, JT9D, and RB211 aircraft engines also contain these metals.Онлайн-запрос

Spectroscopic and Excited-State Properties of Luminescent

ORTEP diagram of 4, HOMO and LUMO of 4m, absorption energy vs Hammett parameter plots, emission energy vs 1 MLCT absorption energy plots, emission spectrum of 8, ground state redox potential vs Hammett parameter plot, correlation of emission energies with ΔE 1/2, and excited state redox potential vs Hammett parameter plots and tables of crystal data, atomic coordinates, calculated hydrogenОнлайн-запрос

NMR Studies on the Dynamic Behaviour in SpringerLink

Beringhelli T., Alfonso G.D., Minoja A.P., Mynott R. (1995) NMR Studies on the Dynamic Behaviour in Solution of Rhenium-Platinum Mixed Metal Clusters Containing P-Donor Ligands. In: Farrugia L.J. (eds) The Synergy Between Dynamics and Reactivity at Clusters and Surfaces. NATO ASI Series (Series C: Mathematical and Physical Sciences), vol 465.Онлайн-запрос

(PDF) Interest to consider re-challenging by cetuximab and

Interest to consider re-challenging by cetuximab and platinum containing regimen in recurrent Head and Neck Cancer Christian Borel 1,7 , Olivier Regnier-Gavier 2 , Hélène Carinato 1 , Sébastien