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- Platinum abstract "Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78.Its name is derived from the Spanish term platina, which is literally translated into "little silver". It is a dense, malleable, ductile, precious, gray-white transition metal.Platinum has six naturally occurring isotopes. It is one of the rarest elements in the Earth's crust and has an average abundance of approximately 5 μg/kg. It is the least reactive metal. 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.As a member of the platinum group of elements, as well as of the group 10 of the periodic table of elements, platinum is generally non-reactive. It exhibits a remarkable resistance to corrosion, even at high temperatures, and as such is considered a noble metal. As a result, platinum is often found chemically uncombined as native platinum. Because it occurs naturally in the alluvial sands of various rivers, it was first used by pre-Columbian South American natives to produce artifacts. 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 became investigated by scientists.Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Because only a few hundred tonnes are produced annually, it is a scarce material, and is highly valuable and is a major precious metal commodity. Being a heavy metal, it leads to health issues upon exposure to its salts, but due to its corrosion resistance, it is not as toxic as some metals. Compounds containing platinum, most notably cisplatin, are applied in chemotherapy against certain types of cancer.".
- Platinum wikiPageExternalLink default.html.
- Platinum wikiPageExternalLink npgd0519.html.
- Platinum wikiPageExternalLink 078.htm.
- Platinum wikiPageID "23324".
- Platinum wikiPageRevisionID "592813072".
- Platinum expiry "2014-12-14".
- Platinum hasPhotoCollection Platinum.
- Platinum small "yes".
- Platinum subject Category:Catalysts.
- Platinum subject Category:Chemical_elements.
- Platinum subject Category:Cubic_minerals.
- Platinum subject Category:Noble_metals.
- Platinum subject Category:Platinum.
- Platinum subject Category:Precious_metals.
- Platinum subject Category:Science_and_technology_in_Spain.
- Platinum subject Category:Transition_metals.
- Platinum comment "Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78.Its name is derived from the Spanish term platina, which is literally translated into "little silver". It is a dense, malleable, ductile, precious, gray-white transition metal.Platinum has six naturally occurring isotopes. It is one of the rarest elements in the Earth's crust and has an average abundance of approximately 5 μg/kg. It is the least reactive metal.".
- Platinum label "Platin".
- Platinum label "Platina".
- Platinum label "Platina".
- Platinum label "Platine".
- Platinum label "Platino".
- Platinum label "Platino".
- Platinum label "Platinum".
- Platinum label "Platyna".
- Platinum label "Платина".
- Platinum label "بلاتين".
- Platinum label "白金".
- Platinum label "铂".
- Platinum sameAs Platina.
- Platinum sameAs Platin.
- Platinum sameAs Λευκόχρυσος.
- Platinum sameAs Platino.
- Platinum sameAs Platino.
- Platinum sameAs Platine.
- Platinum sameAs Platina.
- Platinum sameAs Platino.
- Platinum sameAs 白金.
- Platinum sameAs 백금.
- Platinum sameAs Platina.
- Platinum sameAs Platyna.
- Platinum sameAs Platina.
- Platinum sameAs m.025s7y2.
- Platinum sameAs Q880.
- Platinum sameAs Q880.
- Platinum wasDerivedFrom Platinum?oldid=592813072.
- Platinum isPrimaryTopicOf Platinum.