What does K gold mean? What are the ingredients of 18K gold?

K gold is an alloy formed by the fusion of gold and other metals. K gold can be divided into 24K gold, 22K gold, 18K gold, 9K gold, etc. according to the amount of gold. The most common K gold in our country is 18K gold, and its gold content is 184.1666u003d75%. The jewelry should be marked as 18K or 750. K gold 　　 K gold is an alloy formed by fusion of gold and other metals.　　　　K gold can be divided into 24K gold, 22K gold, 18K gold, 9K gold, etc. according to the amount of gold.　　　　 The most common K gold in my country is 18K gold, and its gold content is 18×4.1666u003d75%. The jewelry should be marked as '18K' or '750'. The measurement method of 　　　　K gold is: pure gold is 24K [that is, 100% gold content], and the gold content of 1K is about 4.166%.　　　　 uses'K' to calculate gold content from a carob tree on the Mediterranean coast.　　　　 carob tree 　　　　 carob tree has light red flowers, the pods are about 15 cm long, the beans are brown, and can be used to make gum. No matter where this tree grows, the size of the bean kernels is exactly the same. Therefore, in ancient times, people used it as a standard for measuring weight.　　　　 Over time, it has become a unit of weight, used to measure precious and subtle objects. At that time, the measurement of diamonds and gold also used this unit, which is'Karat'.　　　　 Until 1914,'Karat' was prescribed as a standard internationally.　　　　 According to international standards, K gold is divided into 24 kinds, namely 1K to 24K. However, the types of K gold used as jewelry are less than these, and the jewelry materials used by countries around the world are not less than 8K. In this way, there are actually 17 types of K gold that are actually counted as jewelry.　　　　 Among the 17 kinds of K gold materials, 18K and 14K are used the most. One of the characteristics of 　　　　　　　　 gold is softness, so it is difficult to inlay various exquisite styles, especially when inlaid with treasures such as pearls, gems and emeralds, it is easy to be lost. Therefore, people add a small amount of silver, copper, zinc and other metals to gold to increase the strength and toughness of gold. The gold jewelry made in this way is also called K gold.　　　　K gold can be made into various colors as needed. The internationally popular K gold jewelry has various colors, and the common ones are yellow and white. When 25% of palladium or nickel is mixed into gold, it will become white. The main component of it is gold, which is called white K gold. What does 　　　　18K gold mean?　　　　18K [or G750] jewelry refers to a kind of jewelry composed of pure gold content of 18/24, which is 75% gold plus 25% other metal alloys (such as silver, palladium, zinc, nickel, etc.).　　　　18K gold jewelry not only has the precious value of gold, but also because of its perfect composition ratio, it has the advantages of strong ductility, high hardness, and changeable colors. When used in jewelry design, it can give full play to complex and exquisite creative expressions. What does 　　　　 white 18K gold mean?　　　　White K gold is impure gold. It is a white alloy smelted from gold and palladium or nickel, silver, copper, zinc and other metals. Its main component is still gold.　　　　 Because white K gold is white, it is the white metal most easily confused with platinum, but it is a completely different metal from platinum.　　　　About platinum　　　　Only platinum can be called platinum.　　　　 So 18K platinum is a wrong concept.　　　　 Strictly speaking, it should be called 18K white gold.　　　　18K white gold is a mixture of 75% gold and 25% other metals. What does 　　　　18K rose gold mean? The composition of 　　　　 rose gold is: pure gold+copper+silver/zinc. Because of its moderate synthesis ratio, it has the characteristics of strong ductility, high hardness, and changeable color. At the same time, it combines 25% of other metals. It has high hardness and is not easy to deform or scratch. It can be used in the design of delicate gold ornaments. Give full play to complex and exquisite design creativity.　　　　 The above is the author's summary of the K gold information for you. The information comes from the Internet. If there is anything wrong, please forgive me. If you need K gold jewelry, please visit the official website of jewelry inlay. Jewelry inlay will serve you wholeheartedly!