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A refiner doing $1 billion of business each year that marked .980 pure bars as .999 fine would make about an extra $20 million in profit. In the United States, the actual purity of gold articles must be no more than .003 less than the marked purity (e.g. .996 fine for gold marked .999 fine), and the actual purity of silver articles must be no ...
Stillwater Mining Company is engaged in the development, extraction, processing, refining and marketing of palladium, platinum and associated metals (platinum group metals or PGMs) from a geological formation in the Stillwater igneous complex in south central Montana known as the J-M Reef and from the recycling of spent catalytic converters.
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While lists of noble metals can differ, they tend to cluster around gold and the six platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum. In addition to this term's function as a compound noun, there are circumstances where noble is used as an adjective for the noun metal.
The retail giant now offers 1-ounce platinum bars for $1,089.99 exclusively to members via its website. This move is part of Costco's broader strategy to diversify its product lineup and ...
The test track features level 2-mile (3.2 km) straightaways. Vehicle Dynamics Area: 50-acre (20-hectare) asphalt pad, with an acceleration loop at each end, is a multipurpose facility for vehicle dynamic testing, durability testing, brake testing, performance testing , product demonstrations, and driver training.
It also accurately (up to 10-12 microns) determines the element composition of all types of gold, white gold, platinum, silver, palladium, rhodium and related alloys. Energy dispersive X-Ray fluorescence (ED-XRF) is a simple, accurate and economic analytical methods for the determination of the chemical composition of many types of materials.
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 ...