The difference between platinum and K gold

Platinum and K gold can be distinguished from the following points: 　　 1. Platinum is a natural pure white metal, K platinum is an alloy of gold and palladium, nickel, silver, zinc and other metals, so it is also called K white gold.　　2. Platinum is rare, and its annual output is much less than that of gold, which is more precious. 3. Platinum has a high density. A piece of platinum platinum and karat gold can be distinguished from the following points: 1. Platinum is a natural pure white metal, karat gold is an alloy of gold and palladium, nickel, silver, zinc and other metals. Therefore, it is also called k white gold. 2. Platinum is rare, and its annual output is much less than that of gold, which is more precious. 3. Platinum has a high density. A piece of platinum jewelry is 20% heavier than a similar piece of k platinum jewelry. 4. Platinum is resistant to strong acid and alkali corrosion, oxidation resistance, and chemical properties are more stable than K platinum. 5. Platinum jewellery is marked with a'pt' mark and fineness. For example,'pt900' refers to the platinum jewelry product, the content of platinum is 90%. In foreign countries, platinum jewelry is engraved with the words pt or plat or platinum and a thousandth figure indicating the purity. For example, platinum with a mark of 900pt indicates the purity is 90%. With reference to internationally accepted principles and combined with the actual situation in China, China stipulates that platinum products must be marked with the percentage of platinum and the words platinum. According to the different purity, common varieties are pt990, pt900 and pt850, which respectively represent 99%, 90% and 85% platinum. Previous post: Why is it the safest to set diamonds in platinum? Next post: Platinum Encyclopedia