Palladium, ruthenium, and iridium (the platinum group metals), and copper and cobalt are commonly alloyed with platinum to make jewelry. Statistics show that in 2010, 76 tons (about 31% of the platinum obtained) of platinum were used to make jewelry.
· The highest combined metal (tin, lithium and tantalum) content intersection from the drilling contained % tin, 61 parts per million tantalum and % lithium oxide, over a 51 m intersection ...
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Tantalum is the most corrosionresistant metal in common use today. It is inert to practically all organic and inorganic compounds. Its corrosion resistance is very similar to glass, as both are unsuitable for use in hydrofluoric acid and strong hot alkali appliions.
Tee Group Tantalum Surface Mount Capacitors TYPE 522 FEATURES • The five case sizes of the 522 conform to the sizes most required by the major OEMs throughout Europe and North America. These sizes conform to the Electronics Industry Associations of and Japan recommended standards for Tantalum Chip Capacitors.
Our company will continue to stand for highquality production of highperformance tantalum and niobium powders and compounds. We are excited to have you join us as we take this path into the future. For our part, we are committed to be the supplier and business partner of choice for your demanding requirements. About TANIOBIS GmbH.
· This paper reviews some modern appliions of the platinum group elements, mainly Ir and Os, in identifying and studying extraterrestrial materials, study of impact events resulting in biological mass extinctions in the earth's evolution, identifiion of cosmic dust, tracing of parent body of meteoritic craters on the earth's surface, searching for extrasolar components in the solar ...
Tantalum was discovered by Anders Gustaf Ekenberg, a Swedish chemist, in 1802 in minerals obtained from Ytterby, Sweden. Many scientists believed that he had only discovered an allotrope of niobium, an element that is chemically similar to issue was finally settled in 1866 when, Jean Charles Galissard de Marignac, a Swiss chemist, proved that tantalum and niobium were two distinct ...
Om de uitstoot van voertuigen te verminderen en om duurzame ontwikkeling van auto's verder te avanceren, gebruikt de wereld metalen als platinum en palladium, oftewel platinum groep metalen (PGM). Eric Sprott merkt in een artikel op dat de uitstootnormen steeds strenger worden en zo autofabrikanten dwingen om zich te focussen op katalysatoren.