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As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.
Iridium compounds are used as catalysts in the Cativa process for carbonylation of methanol to produce acetic acid. [92] [93] Iridium complexes are often active for asymmetric hydrogenation both by traditional hydrogenation. [94] and transfer hydrogenation. [95] This property is the basis of the industrial route to the chiral herbicide (S ...
15. Iridium. Cost: $162.26 per gram. Iridium is a hard, silvery metal that is one of the rarest in the world. It's also extremely corrosion resistant. Iridium is mainly used as a hardening agent ...
Aluminium is now commonplace but was considered to be a precious metal until the late 1800s. Although aluminium is the third most abundant element and the most abundant metal in the Earth's crust, it was at first found to be exceedingly difficult to extract the metal from its various non-metallic ores .
Research on dozens of sites to find the priciest real estate, artwork, yachts and jewels pinpoints the world’s most expensive item right now: the History Supreme Yacht, measuring 100-feet long ...
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Abney’s viral video takes place in his car, so it’s only fitting that he took aim at two extortionate driving expenses: insurance and gas. “My car insurance from four-years-ago until now ...
Pages in category "Iridium minerals" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. B. Bowieite; H ...
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