Jinbo and platinum are the same.

Problem description:

Jinbo and platinum are the same.

Analysis:

Platinum, also known as platinum, is platinum in English, and its abbreviation PT is generally used as the code name.

The gold jewelry marked 18K platinum or 18KWG sold by merchants is a white alloy with 25% palladium or nickel added to gold, which is actually a kind of K gold with a gold content of 75%. ?

Platinum and K gold can be distinguished from each other in the following ways:

Platinum is a natural pure white metal, and K platinum is an alloy of gold with palladium, nickel, silver and zinc, so it is also called K platinum. Platinum is relatively rare, and its annual output is much less than that of gold, which is more precious. The density of platinum is very high. A piece of platinum jewelry is 20% heavier than a similar piece of K gold jewelry. Platinum is resistant to corrosion and oxidation by strong acid and alkali, and its chemical properties are more stable than that of K platinum. Platinum ornaments are marked with "PT" logo and color. For example, "PT900" refers to the platinum products of this jewelry, and the platinum content is 90%. The mark of gold and platinum, such as "18KWG", is mainly marked by its gold content. ?

Platinum is a random name, and the standard name should be: Platinum, K Platinum. It is more reliable to buy these precious jewelry in big shopping malls. The most important thing is to read the label clearly and see whether the jewelry is marked with "K" or "PT".