PLATINUM

                    PLATINUM                  http://periodictable.com/Samples/078.6/s9s.JPG

HISTORY:

It was discovered by South American peoples who produces artifacts of a white gold-platinum alloy.
In 1783 French chemist Francoise Chabaneaus discovered and patented a method of producing workable platinum. But its quality was still very inconsient from batch to batch.
The element name comes from the Spanish word ‘platina’,meaning:little silver.

APPARENCE,CHARACTERISTICS AND PROPERTIES:

• Platinum is non-toxic metal.

• Platinum is a precious metal; soft, silvery-white, and dense with a beautiful lustrous sheen

• It is one of the of the six platinum group metals consisting of platinum, palladium, rhodium, osmium, iridium and ruthenium.  

• Platinum is malleable and ductile and has a high melting point.

• It does not oxidize in air even at high temperatures and is unaffected by common acids.

• Platinum dissolves in aqua regia (mixture of nitric acid and hydrochloric acid in the ratio 1:3) forming chloroplatinic acid (H2PtCl6).

USES:

• Platinum is used in jewelry, decoration and dental work

• An alloy of platinum and cobalt is used to produce strong permanent magnets

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WORLD PRODUCTION 2018:


https://mcgroup.co.uk/uc/2013/05/Platinum-Group-Metals-World-Reserves.jpg