What is balladium

Because of its corrosion resistance, a major use of palladium is in alloys used in low voltage electrical contacts. When it is finely divided, palladium forms a good catalyst and is used to speed up hydrogenation and dehydrogenation reactions.

It is used in watch bearings, springs, and balance wheels and also for mirrors in scientific instruments. In , most catalytic converters relied on platinum to reduce emissions from car exhausts but, while this metal is still important, palladium is now the main ingredient because this is even more efficient at removing unburnt and partially burnt hydrcarbons from the fuel. Palladium is nowadays more and more used in electrical appliances such as wide screen televisions, computers and mobile phones, in the form of tiny multi-layer ceramic capacitors, of which more than billion are made each year.

For use in dentistry it is alloyed with silver, gold, and copper. Palladium salts are used in electroplating. Specimen of uncombined palladium are found in Brazil, and there are some minerals rich in palladium, but most of it is extracted as a by-product form nickel refining.

Palladium is found as the free metal associated with platinum and other platinum group metals in Australia, Brazil, Russia, Ethiopia, and North and South America, as well as with nickel and copper deposits from which it is recovered commercially in Canada and South Africa. Liquid may cause burns to skin and eyes. Traders expect the agreement to help ease downward pressure on global economic growth and slow the decline in Chinese car sales.

Reality Check: Thefts of catalytic converters. How polluting are idling cars and buses? Volkswagen: The scandal explained. Image source, Getty Images. What is palladium? Reality Check: Thefts of catalytic converters How polluting are idling cars and buses? What is it used for? Palladium was first isolated in by English chemist William Hyde Wollaston, who would go on to discover another element, rhodium, shortly thereafter.

Wollaston discovered palladium by dissolving platinum in a mixture of nitric acid and hydrochloric acid and noticing that a second element was left behind, according to the Royal Society of Chemistry RSC.

Instead of simply reporting his find, Wollaston made a game of it: He put some up for sale with a London mineral dealer and advertised the new metal's properties on handbills posted around the city, according to Chemicool. Another chemist, Richard Chenevix, declared the new metal to be a hoax, but Wollaston got the last laugh.

In , he described palladium to the Royal Society of London, revealing himself as the element's discoverer only at the end of the speech. Palladium gets its name from Pallas, the second-largest asteroid in the asteroid belt, which had just been discovered in The asteroid itself was named after the ancient Greek goddess Pallas Athena. Pallas was visible from Earth in February Palladium is malleable and doesn't tarnish in air, making it a popular metal for jewelry.

Since , however, the main use for palladium has been in catalytic converters for automobiles. Such a fun and clean place to bring my son. My 12 year old even told me he loved how friendly everyone here has been.

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