What does K gold mean

When you buy gold jewelry, you will always hear a word that is K gold, so what is K gold? Some people say that it is the purity of gold. There is some truth to this, but the specific criteria for dividing it. Do you know? What does karat gold mean? When you buy gold jewelry, you will always hear the word karat gold. So what is karat gold? Some people say that it is the purity of gold. There is some truth to this, but there are specific standards for how to divide it. Do you all know? What does k金 mean? K gold (or open gold) is an alloy formed by fusion of gold and other metals. K-gold jewelry is characterized by less gold consumption, low cost, and can be formulated into various colors, and it is not easy to deform and wear. The most common '18k gold' on the market in my country, its gold content is 18×4.1666u003d75%, and the mark that should be put on the jewelry is '18k' or '750'. The method of using 'k' to calculate the gold content comes from a carob tree on the Mediterranean coast. The carob tree has light red flowers and 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 items. At that time, the measurement of diamonds and gold also used this unit, which is 'karat'. It was not until 1914 that 'karat' was established as the current standard internationally. So how much gold does k gold contain? The 24k gold content is about 99.99%, so it is pure gold. The 22k gold content is about 91.65%, and it is generally used as a material for gold jewelry. The 20k gold content is about 83.32%. The 18k gold content is about 74.98%, and it is generally used as a jewelry material for inlaid diamonds and other gems. The 14k gold content is about 58.2%, which is generally used for the nib of a gold pen. What does k金 mean? As the saying goes, 'Gold is not pure, and no one is perfect.' Generally, gold jewelry contains other metals. Regarding the fineness of the gold content of gold products, the national standards have very clear regulations, that is, each piece of gold jewelry sold by a business must be listed with its gold content and weight. The weight of gold jewelry shall use the national legal unit of measurement. Previous: How much platinum is one gram Next: The difference between the officiant and the witness