- platinum ores
- Смотри платиновые руды.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
platinum ores
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Platinum group — The platinum group (alternatively, the platinum group metals or platinum metals) is a collective name sometimes used for six metallic elements clustered together in the periodic table. These elements are all transition metals, lying in the d… … Wikipedia
platinum group — ▪ chemical element group Introduction six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and … Universalium
Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds … Wikipedia
platinum — n. Chem. a ductile malleable silvery white metallic element occurring naturally in nickel and copper ores, unaffected by simple acids and fusible only at a very high temperature, used in making jewellery and laboratory apparatus. Usage: Symb.: Pt … Useful english dictionary
платиновые руды — [platinum ores] руды, содержащие Pt, Pd, Ir, Rh, Os, Ru в таких концентрациях, при которых их промышленное использование технически возможно и экономически целесообразно. Месторождения платиновых руд бывают коренные и россыпные, а по составу… … Энциклопедический словарь по металлургии
Ruthenium — (pronEng|ruːˈθiːniəm) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in some platinum … Wikipedia
Rhodium — Rh redirects here. For other uses, see rh (disambiguation) Rhodium (pronEng|ˈroʊdiəm) is a chemical element with the symbol Rh and atomic number 45. A rare, silvery white hard transition metal and a member of the platinum group, rhodium is found… … Wikipedia
Osmium — This article is about the chemical element. For other uses, see Osmium (disambiguation). rhenium ← osmium → iridium Ru ↑ Os ↓ Hs … Wikipedia
Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re … Wikipedia
iridium — /i rid ee euhm, uy rid /, n. Chem. a precious metallic element resembling platinum: used in platinum alloys and for the points of gold pens. Symbol: Ir; at. wt.: 192.2; at. no.: 77; sp. gr.: 22.4 at 20°C. [1804; < L irid , s. of iris rainbow (see … Universalium
