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From Yugiohtas

Anyone would think from the existing fashion trend for platinum that this was a recently discovered material. In fact, that is far from the reality. The Spaniards discovered Platinum in 1590, but disdained it because it looked like gold, as opposed to the yellow metal which they appreciated. What the Spanish people failed to appreciate was that platinum is 34 situations rarer than gold. Jewelry only arises from meteorites. That's one reason for its scarcity.

Platinum is increasingly used in jewelry since it is more ductile than silver. It can be drawn into fine wire, allowing the builder to create more intricate patterns than is possible with silver. The silvery shade of platinum also sets off diamonds more well than silver.

Platinum is very unreactive chemically, so it cannot react with oxygen or hydrogen sulfide and tarnish. It'll always remain gleaming.

If you've an allergy to certain jewellery, consider switching to platinum, as if. No nickel is contained by platinum jewelery, the steel that is mixed with an allergic reaction that is caused by gold. Being completely unreactive, a rash or other allergic reaction can never be never caused by platinum. Platinum can be used to make pacemakers since it is indeed well tolerated by the body.

Platinum has a great number of much more important uses than jewelery. It's a catalyst. Which means that platinum allows other substances, like gases, to react simply on its surface without affecting the platinum itself at all. The platinum is not suffering from the effect at all. It's still there following the a reaction to continue working. Very useful.

The absolute most well-known exemplory case of platinum used in this way is in automobile exhaust catalysts. It's also utilized in making nitric oxide, which will be essential to making nitric acid, one of the essential chemicals that our modern chemical industry depends on for making sets from drugs to explosives.