platinum group

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plat·i·num group

(plat'i-nŭm grūp),
A group of six amphoteric elements: iridium, osmium, palladium, platinum, rhodium, and ruthenium.
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Content of impurities in the platinum metals and platinum-base alloys depends to a great degree upon methods of their production.
This discovery made the problem of the separation of platinum from the other platinum metals topical not only in Europe but also in Russia.
The Lac Des Iles mine is Canada's largest, and one of the world's largest, producers of platinum metals.
The production targets for the period have been set at around 500 kt of nickel (versus 400 kt previously), 1,000 kt of copper (versus 600 kt) and 200 kt of platinum metals (versus 150kt).
Platinum metals (platinum, palladium, rhodium and iridium) and alloys on their bases are unique structural materials, capable of standing for many hundreds and thousands hours thermal and mechanical stresses in corrosive oxidizing media at extraordinary high homologous temperatures--(0.
His research focuses on chemistry of the platinum metals, for applications in homogeneous catalysis and chemotherapy.
Additionally, platinum metals possess natural beauty which makes them a valuable jewelry item in many parts of the world.
The site is the latest in a number of online commodity exchanges, although Mr Grover said this was the first physical platform for precious and platinum metals.
Assays demonstrate solid Platinum Metals Group (PMG) occurrences along with gold and silver occurring at various depths and in various quantities.
Pearl Asian will operate and process the ancestral land domain claims rich with raw gold and silver ores that may have contain platinum metals.
It is committed to reinforcing consumer and stakeholder confidence in diamond, gold and platinum metals jewelry products.