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Hace 13 horas · El descubrimiento del iridio se atribuye al químico inglés Smithson Tennant, quien en 1803 disolviendo platino bruto en agua regia (ácido clorhídrico y nítrico) observó que siempre quedaba ...
Hace 5 días · Iridium was discovered in 1803 in the acid insoluble residues of platinum ores by the English chemist Smithson Tennant. The name iridium, derived from the Greek word iris (rainbow), refers to the various colors of its compounds. Iridium is one of the rarest elements in Earth's crust, with estimated annual production of only 15,000 ...
9 de may. de 2024 · La electricidad y la química se encuentran William Hyde Wollaston, en colaboración con Smithson Tennant, llevó a cabo experimentos que llevaron a la producción de platino y metales de platino…. Leer más “4. La electroquímica en el descubrimiento de elementos” »
Hace 13 horas · El iridio, que abunda en los meteoritos, ha disparado su precio en los últimos cuatro años y podría alcanzar en 2024 los 6.500 dólares por onza. Con los tipos de interés apuntando a la baja después de unos años in crescendo como antídoto del Banco Central Europeo contra la inflación, los ...
21 de may. de 2024 · Iridium was discovered by Smithson Tennant, an English chemist, in London, England in 1803, and it’s name comes from the Latin for iris, the goddess of the rainbow on account of its colored salts. Tennant also discovered osmium.
6 de may. de 2024 · Smithson Tennant is perhaps the only company that’s currently producing and marketing solid iridium jewelry. You can see in the publicity images on their website that their iridium rings do have a faint yellowish cast, akin to unplated white gold. Iridium is more well-known for its use in platinum jewelry.
7 de may. de 2024 · Osmium was discovered in 1803 by the English chemist Smithson Tennant. He obtained it by dissolving platinum ore in aqua regia, a mixture of nitric and hydrochloric acid, and then treating the solution with water. The residue left after the solution evaporated contained a black powder, which Tennant identified as a new metal and ...
