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Rhenium is a chemical element; it has symbol Re and atomic number 75. It is a silvery-gray, ... Another major application is in platinum–rhenium catalysts, ...
Naturally occurring platinum and platinum-rich alloys were known by pre-Columbian Americans for many years. [5] However, even though the metal was used by pre-Columbian peoples, the first European reference to platinum appears in 1557 in the writings of the Italian humanist Julius Caesar Scaliger (1484–1558) as a description of a mysterious metal found in Central American mines between ...
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
The album was re-released by Megaforce in August 1995 and a platinum edition of the album was released in February 2000. In August 2014, Revolver placed Speak English or Die on its "14 Thrash Albums You Need to Own" list. [8]
The noble metals (platinum and rhenium) are catalytic sites for the dehydrogenation reactions and the chlorinated alumina provides the acid sites needed for isomerization, cyclization and hydrocracking reactions. [12] [page needed] Chlorination requires finesse, lest it affect the Pt or Re component.
In 1976, RIAA introduced the platinum certification, first awarded to the Eagles compilation album Their Greatest Hits (1971–1975) on 24 February 1976, [6] and to Johnnie Taylor's single "Disco Lady" on 22 April 1976. [7] [8] As music sales increased with the introduction of compact discs, the RIAA created the Multi-Platinum award in 1984 ...
Multi-Platinum means 2,000,000+ certification units; From 2004 through July 2006, the certification level was 100,000 downloads for Gold and 200,000 for Platinum. When the RIAA changed the certification standards to match retail distribution in August 2006, all Platinum and Multi-Platinum awards for a digital release were withdrawn.
Platinum Equity was founded in 1995 by Tom Gores. The firm's first acquisition was LSI, a company that generated computer graphics to re-create accidents for courtroom testimony. After purchasing it for $200,000, Platinum Equity focused on serving existing customers and returning the company to profitability. [2]