After publishing the report in 1748, Ulloa did not continue to investigate the new metal.  Its resistance to wear and tarnish is well suited to use in fine jewellery.  Brownrigg also made note of platinum's extremely high melting point and refractoriness toward borax. Information and translations of platinum in the most comprehensive dictionary definitions resource on the web. Cesium is a bright sky blue color when heated and was given its name from the Latin "caesius," which means "sky blue." Archeologists usually associate the tradition of platinum-working in South America with the La Tolita Culture (circa 600 BC - AD 200), but precise dates and location is difficult, as most platinum artifacts from the area were bought secondhand through the antiquities trade rather than obtained by direct archeological excavation. The country Argentina is named after silver (albeit indirectly as reference to the Río de la Plata) and is the only country to be named after a chemical element, rather than the other way around. The symbol is the short form or abbreviated name of the element. Ulloa also anticipated the discovery of platinum mines. In 1752, Henrik Scheffer published a detailed scientific description of the metal, which he referred to as "white gold", including an account of how he succeeded in fusing platinum ore with the aid of arsenic. The gold is precipitated by the addition of iron(II) chloride and after filtering off the gold, the platinum is precipitated as ammonium chloroplatinate by the addition of ammonium chloride.  In 1924, the geologist Hans Merensky discovered a large supply of platinum in the Bushveld Igneous Complex in South Africa. , When hexachloroplatinic acid is heated, it decomposes through platinum(IV) chloride and platinum(II) chloride to elemental platinum, although the reactions do not occur stepwise:.  Others include carboplatin and oxaliplatin. How old was Ralph macchio in the first Karate Kid? Coins, bars, and ingots are traded or collected. aurum noun: something made of gold: aurea: gold: Find more words! , Because the other platinum-family members were not discovered yet (platinum was the first in the list), Scheffer and Sickingen made the false assumption that due to its hardness—which is slightly more than for pure iron—platinum would be a relatively non-pliable material, even brittle at times, when in fact its ductility and malleability are close to that of gold. Platinum also has 34 synthetic isotopes ranging in atomic mass from 165 to 204, making the total number of known isotopes 40. 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". How to Say Platinum in Different Languages. Log In. It was referenced in European writings as early as 16th century, but it was not until Antonio de Ulloa published a report on a new metal of Colombian origin in 1748 that it began to be investigated by scientists. \ Platine. platinum sur l’encyclopédie Wikipédia (en anglais) Mannois [modifier le wikicode] Étymologie [modifier le wikicode] (Date à préciser) De l'espagnol platina et du suffixe nominal latin -um. , Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. Because of its scarcity in Earth's crust, only a few hundred tonnes are produced annually, and given its important uses, it is highly valuable and is a major precious metal commodity.. Another large alluvial deposit is in the Ural Mountains, Russia, and it is still mined. 8, 50 (1964)", "Seventy-fifth Anniversary of the Discovery of the Platiniferous Merensky Reef", 10.1002/0471238961.1612012019052513.a01.pub2, "Evidence of huge deposits of platinum in State", "Identification of meteoritic components in imactites", "Effects of relativistic motion of electrons on the chemistry of gold and platinum", "Synthetic metallomolecules as agents for the control of DNA structure", "Sur les métaux égyptiens: Présence du platine parmi les caractères d'inscriptions hiéroglyphiques, confié à mon examn", "Ancient Platinum Technology in South America: Its use by the Indians in Pre-Hispanic Times", "Several Papers concerning a New Semi-Metal, Called Platina; Communicated to the Royal Society by Mr. Wm. The standard hydrogen electrode also uses a platinized platinum electrode due to its corrosion resistance, and other attributes. When did organ music become associated with baseball? “Trinity” is derived from the Latin word “trinitas” (“a … Why don't libraries smell like bookstores? Platinum is paramagnetic, whereas nickel and iron are both ferromagnetic.  Platinum also strongly catalyzes the decomposition of hydrogen peroxide into water and oxygen and it is used in fuel cells as a catalyst for the reduction of oxygen. Chabaneau succeeded in removing various impurities from the ore, including gold, mercury, lead, copper, and iron. In which Year did physics education came to Liberia? , The metal was used by pre-Columbian Americans near modern-day Esmeraldas, Ecuador to produce artifacts of a white gold-platinum alloy. He worked with the platinum by fusing it with arsenic, then later volatilizing the arsenic. The country Argentina is named after silver (albeit indirectly as reference to the Río de la Plata) and is the only country to be named after a chemical element, rather than the other way around. Dictionary Entries near platinum. , As of 2021, the value of platinum is around $36.00 per gram ($1,120 per troy ounce). The remaining 28.9 tonnes went to various other minor applications, such as medicine and biomedicine, glassmaking equipment, investment, electrodes, anticancer drugs, oxygen sensors, spark plugs and turbine engines. At times, the platinum seemed malleable, but when it was alloyed with iridium, it would be much more brittle. Smaller reserves can be found in the United States, for example in the Absaroka Range in Montana.  Platinum drugs are used to treat a wide variety of cancers, including testicular and ovarian carcinomas, melanoma, small-cell and non-small-cell lung cancer, myelomas and lymphomas. The Latin name for the two prime leaders or consuls was "consul". In 1741, Charles Wood, a British metallurgist, found various samples of Colombian platinum in Jamaica, which he sent to William Brownrigg for further investigation. A soft, ductile, malleable, silver-white metallic element that usually occurs with osmium, iridium, palladium, or nickel. Nicknames, cool fonts, symbols and tags for Platinum – ᴘʟᴀᴛɪɴᴜᴍ, ♡ MRS ᴘʟᴀ༒ɪɴᴜᴍ ♡, Planen, platinum gamer, PlA†inum, Bestfriend. What does contingent mean in real estate? It is not in the top 1000 names. platinum définition, signification, ce qu'est platinum: 1. a chemical element that is an extremely valuable silver-coloured metal, used in jewellery and in…. In 1750, after studying the platinum sent to him by Wood, Brownrigg presented a detailed account of the metal to the Royal Society, stating that he had seen no mention of it in any previous accounts of known minerals. The metal looks like silver, and the Spaniards at first thought it an inferior sort of silver, hence the name platina.  In 2010, South Africa was the top producer of platinum, with an almost 77% share, followed by Russia at 13%; world production in 2010 was 192,000 kg (423,000 lb). Pt. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa, which accounts for 80% of the world production. What are the Latin Names of Chemical Elements? Platinum is considered a precious metal, although its use is not as common as the use of gold or silver. Metal impurities can be removed by stirring the mixture in either of the two acids and recovering the remaining platinum. And Lori lampson get divorced was the lady with the whitish metal nuggets and took them Home to Spain highly... Us Home > Words that start with P > platinum impurities from the Spanis T erm '! Symbol is the common name for calcium oxide the trophy in roll movie... Platinum crucible in 1784 arsenides ( e.g and it is sometimes mistaken for silver combine gold and platinum powders sintering. 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