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what is platinum used for

Its heavy weight and durability make platinum a metal that will not wear away with constant use like gold. PtO2 is used as a hydrogenation catalyst in vegetable oil. ; Silicones – Adding platinum compounds controls curing, helping to achieve the properties required for the numerous uses they have in everyday life. Investments. Nitric Acid – Platinum-based catalysts have now been used in the commercial manufacture of nitric acid for a century. Platinum is used in jewelry, decoration and dental work. Most popular in China, platinum jewellery is generally purer than its gold counterpart, because the metal is denser (21.5 grams per cubic centimetre versus 19.3 g/cm3) and more hard-wearing. Research into the use of platinum shows that technological advances are needed before it can match the performance of existing palladium-based catalytic converters, according to … In past several years platinum has become a very precious metal. This has led it to be used for investments. Platinum is also used as a catalyst to make chemicals like silicone, nitric acid and benzene. For surgery, doctors use radiographic imaging to see a catheter’s platinum marker bands so they can operate on an area without creating a major incision. Platinum is an important catalyst in many chemical processes and nitric acid, fertilizers and synthetic fibers all require platinum to be produced. Platinum is a dense, stable and rare metal that is often used in jewelry for its attractive, silver-like appearance, as well as in medical, electronic, and chemical applications due to its various and unique chemical and physical properties. Coronary stents, heart valve splices, and pacemaker components are all made with platinum. Some watchmakers use platinum in their watches to make it exclusive. Platinum is used in dentistry fillings and for creating artificial teeth and crowns. Platinum guidewires are used to maneuver catheters to treatment sites. Industrial Applications Of Platinum. Because of its high stability, platinum is used extensively as … Platinum is also used in autocatalysts. Platinum engagement rings, wedding bands, necklaces and bracelets account for over a third of the metal's use each year, almost as much as in autocats. Platinum-cobalt, an alloy of roughly three parts platinum and one part cobalt, is used to make relatively strong permanent magnets. The platinum coats the autocatalysts which is designed to chemically control the harmful emissons that your vehicle makes. Cardiac implants. Platinum holds fine gemstones firmly in place for the life of the jewelry when used … The most important use of platinum is in vehicles, as a catalytic converter, facilitating the complete combustion of unburned hydrocarbon passing through the exhaust. Platinum is used as an alloying agent for various metal products, including fine wires, noncorrosive laboratory containers, medical instruments, dental prostheses, electrical contacts, and thermocouples. 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