The platinum-group metals (abbreviated as the PGMs; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs)) are six noble, precious metallic elements clustered together in the periodic table.These elements are all transition metals in the d-block (groups 8, 9, and 10, periods 5, 6 and 7).
Platinum is also used as a catalyst in the production of sulfuric acid (H 2 SO 4) and in the cracking of petroleum products. Fuel cells, devices that combine hydrogen and oxygen to produce electricity and water, also use platinum as a catalyst. Estimated Crustal Abundance: 5×10-3 milligrams per kilogram. Estimated Oceanic Abundance: Not Applicable
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Platinum group metals (PGMs) are rare precious metals with unique physical properties that are used in diverse industrial applications. Palladium, like gold, silver and platinum, is a precious metal, as well as one of the six PGMs, which also include platinum, rhodium, ruthenium, iridium and osmium.
Applications Applications. The platinum group metals are used in a wide variety of industries. This section describes many of the major uses of platinum group metals and their unique properties. Autocatalyst. A pollution control device fitted to cars and trucks, the catalytic converter (autocatalyst) is the largest application of platinum group ...
The anomalous platinum group element geochemistry of the ejecta horizon suggests that the impactor was an asteroid.: Its focus is on gold but its portfolio also includes projects with potential for platinum group metals, copper, silver and base metals.: Rhodium can be classified as a transition metal, a member of the platinum group of metals, and as a precious metal.
Platinum group: Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). The elements all possess a silvery white colour—except osmium, which is bluish white. The chemical behaviour of these metals is …
Dec 10, 2018· The platinum group metals (PGMs) are six transitional metal elements that are chemically, physically, and anatomically similar. The PGMs are the densest known metal elements. Exceptionally rare, the six metals naturally occur in the same ore bodies. They are highly durable and, due to their high value, often recycled, giving them long life cycles.
Platinum is a precious metal; soft, silvery-white, and dense with a beautiful lustrous sheen. It is one of the of the six platinum group metals consisting of platinum, palladium, rhodium, osmium, iridium and ruthenium. The Platinum Group Metals These metals have similar properties and are often present in the same mineral ores.
how can you refine with just nitric acid? the answer is simple, nitric acid or our nitric substitute acid will desolve all metals except for gold. some platinum group metals (platinum,rhodium,etc) may not desolve. this is not an issue because if you sort your materials properly you will not have any platinum group metals in the mix.
Details of the occurrence of the platinum group metals (PGM) in the Earth's crust and the composition of the principal minerals are presented along with data on supply and demand of PGM in different fields. Trace level determination of the PGM requires preconcentration. Methods such as fire assay, chlorination, ion exchange, etc., are dealt with.
Aug 17, 2017· for 550 parts pure platinum, 350 parts palladium and 50 parts iridum; The FTC is currently considering a request to allow manufacturers to mark jewelry as platinum even if it contains metals that are not part of the platinum group. The Platinum Group of Metals. Acceptable alloys that are used with platinum are grouped together.
Platinum is a chemical element with 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.
Platinum group metals are also components of many autocatalysts, converting car exhaust gases in to less harmful substance. And our fascination with platinum as a rare and robust metal continues. The term 'platinum blond' came about in the 1930's when actresses with platinum jewellery were the stars of newly invented talking pictures.