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Platinum Group Metal Recovery from Spent Catalytic Converters . The catalyst component of a catalytic converter is usually platinum (Pt), along with palladium (Pd), and rhodium (Rh). All three of these platinum group metals, or PGMs, are extremely rare but have a broad range of applications in addition to catalytic converters.
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Common Compounds Platinum chloride (PtCl 2) Platinum hexafluoride (PtF 6) Platinum silicide (PtSi) Xenon hexafluoroplatinate Interesting facts It is the rarest of the precious metals. It is produced commercially as a by product of nickel ore processing in the Sudbury Basin in Ontario, Canada. It is highly resistant to chemical attack.
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Jul 15, 2014Platinum Group Metals (PGM) Primarily mined in South Africa within Africa, and includes platinum, palladium, rhodium, iridium, osmium and ruthenium. Uses Platinum is used principally in catalysts for the control of automobile and industrial plant emissions; jewelry; catalysts to produce acids; organic chemicals; pharmaceuticals; PGMs are used in
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Aug 23, 2018You can find platinum (atomic number 78) buried deep in the middle of the periodic table in group VII among elements collectively known as the transition metals. Its near neighbors include iridium, osmium, palladium, rhodium, and ruthenium—five metals which, with platinum, are often called the platinum group metals (PGMs).
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Like the other platinum metals, a common means of production of platinum is as a waste product in the refining of nickel and copper. For almost 100 years (1889 to 1960), a 90% platinum alloy was the international standard for the definition of one meter. The kilogram is still officially defined by a platinum-iridium cylinder made in 1879.
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Platinum is used as an alloy agent for various metal products, including fine wires, non-corrosive laboratory containers, medicinal instruments, dental prostheses, electrical contacts and thermocouples. Platinum-cobalt is used to make strong permanent magnets. Platinum-based anodes are used in ships, pipelines and steel piers.
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The elements that are in the same group as platinum are nickel, palladium, and darmstadtium What do elements in the same column of the periodic table of elements have in common?
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Another decomposition catalyst for nitrogen oxides has been patented, where the platinum group metals are supported on an oxide substrate of composition A x B y C z O a-b, where A is an alkali metal (sic) such as barium, strontium, etc., B is a rare earth metal such as yttrium, neodymium, gadolinium, etc., and C is a copper group element such as copper, silver, etc.; x = 03, y = 02, z = 04; a = 48 and b = 02.
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Often confused with Platinum, Palladium is a distinct metal, although it is part of the Platinum Group Metals, which includes iridium, osmium, rhodium and ruthenium. Palladium is used in many industrial processes and is often preferred over Platinum because the Palladium price can be about half that of Platinum.
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Although the alloying behaviour of the platinum group metals with the Group IB elements copper, silver and gold has been studied extensively, little attention has
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The most common platinum-group minerals include laurite (RuS2), irarsite, osmiridium (Ir,Os), cooperite (PtS), and braggite . Mining and Concentrating The major South African and Canadian deposits are exploited by underground mining.
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However, this would have been impractical as this noble platinum-group element is one of the least reactive metals of the periodic table. It reacts only reluctantly with the alchemist's famous aqua regia, the potent mixture of concentrated nitric and hydrochloric acids that easily dissolves gold.
Get PriceNATIVE PLATINUM. However platinum seems to be much more concentrated in the mantle and can be enriched through magmatic segregation. Platinum's origin in the crust is from ultra-mafic igneous rocks and therefore platinum is associated with minerals common to these rocks such as chromite and olivine . Platinum's most common source however is from placer deposits.
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Platinum and Its Use. Platinum is in the Group 10 of the periodic table of elements. A dense, malleable, ductile, precious, gray-white transition metal, platinum is resistant to corrosion and occurs in some nickel and copper ores along with some native deposits. Platinum occurs natively, accompanied by small quantities of iridium, osmium,
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If it is stamped Platinum it means that it is 98.5% pure or better. A hard alloy of 90 Pt 10 Ir is often used in jewellery (Ir is the most expensive platinum-group metal). Highly prized are articles of platinum and diamond--an unattractive metal combined with a common gem whose price is artificially inflated.
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The separation chemistry of the platinum-group metals is among the most complex and challenging of metal separations. A brief description of procedures for isolating the platinum-group metals is set forth below, followed by descriptions of assaying and scrap-refining techniques. Individual solubilization.
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The Mineral platinum. Natural Platinum is fairly impure. It is always associated with small amounts of other element s such as iron, gold, copper, and nickel, and may also contain the rare metals iridium, osmium, rhodium, and palladium. These impurities can lower its specific gravity to as much as 14, whereas pure elemental platinum is 21.4.
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The company has brought in $350,000 in early warrant exercise and is in discussions with existing warrant holders to hopefully exercise the remainder of the outstanding $2.5 million in warrants. Should those warrants not be exercised, Group Ten would almost certainly do a private placement shortly. I happen to be a giant fan of platinum right now.
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The most common form of any oxyanion is named by using the stem of the nonmetal's name and adding the ending - ate . If a polyatomic anion has one less oxygen than the most common form, the ending is changed from - ate to - ite without changing
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Coordination Complexes and Ligands. Although coordination complexes are particularly important in the chemistry of the transition metals, some main group elements also form complexes. Aluminum, tin, and lead, for example, form complexes such as the AlF 63-, SnCl 42- and PbI 42- ions.
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The minerals in the platinum group include a number of rare minerals. These minerals are harder and have higher melting points than those in the gold group. In the iron group, the element nickel is the same size as iron (has the same atomic
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Platinum group metals are known for their high resistance to corrosion. Hardness is the measure of how resistant the material is to various kinds of permanent deformations resulting from an applied force.
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and Platinum Ruthenium alloy parts such as rings and findings in Jewelry applications are produced by powder metallurgy. There are selective group of Platinum base alloys which are made to produce parts in the age hardened condition. For example, Platinum alloy containing 95.2 Platinum, 3.0 Gallium, 1.0 Indium, 0.4 Copper and
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