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Adams' catalyst, also known as platinum dioxide, is usually represented as platinum(IV) oxide hydrate, PtO 2 •H 2 O. It is a catalyst for hydrogenation and hydrogenolysis in organic synthesis . [ 1 ]
Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. 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.
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
In October 2010 Johnson Matthey acquired InterCAT, a supplier of fluid catalytic cracking additives for the petroleum refining industry, for $56.2 million. [15] Also in 2010 Johnson Matthey opened a new £34 million European emission control catalyst plant in Skopje, (North Macedonia), which produced catalysts for both light- and heavy-duty ...
Organoplatinum chemistry is the chemistry of organometallic compounds containing a carbon to platinum chemical bond, and the study of platinum as a catalyst in organic reactions. [ 1 ] [ 2 ] [ 3 ] Organoplatinum compounds exist in oxidation state 0 to IV, with oxidation state II most abundant.
Platinum's current spot price is $1,004 an ounce, according to financial services company FactSet, which means that Costco's price is about 8% higher than the market value. Michigan voters share ...
[3] [4] In this application, Rh–Pt oxide is superior to other group 10 catalysts such as platinum dioxide. Furthermore, the catalyst can be used to carry out the reaction with minimal losses of oxygen containing functional groups via hydrogenolysis .
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