Platinum and K platinum

In the irregular market, platinum and K platinum are habitually called platinum, so some consumers doubt whether platinum and platinum are a kind of metal?　　　　Platinum, also known as platinum, its English name is PLATIUM, and it is generally coded by its abbreviation PT. While the gold jewelry sold by merchants marked with 18K white gold or 18KWG, in the irregular market, platinum and k white gold are habitually called platinum, so some consumers doubt whether platinum and platinum are a kind of metal?　　 Platinum, also known as platinum, is platium in English, and is generally coded by its abbreviation pt. The gold jewelry sold by merchants marked with 18k white gold or 18kwg is a white alloy with 25% palladium or nickel added to the gold. It is actually a kind of karat gold, and its gold content is 75%. Platinum and karat gold can be distinguished from the following points: 　　 platinum is a natural pure white metal, karat white gold is an alloy of gold and metals such as palladium, nickel, silver and zinc, so it is also called karat white gold.　　Platinum is rare, and its annual output is much less than that of gold, which is more precious.　　Platinum has a high density. A piece of platinum jewelry is 20% heavier than a similar piece of k platinum jewelry.　　Platinum is resistant to strong acid and alkali corrosion, oxidation resistance, and chemical properties are more stable than k platinum.　　Platinum jewelry is marked with a'pt' mark and fineness. For example,'pt900' refers to the platinum jewelry product, and the platinum content is 90%. The mark of k platinum, such as '18kwg', is based on the gold content contained in it as the main mark.　　Platinum is an arbitrary name, the standard name should be: platinum, k platinum. Previous: Maintenance of K Gold Next: What is 'K' Gold