Pure gold is a kind of metal with bright luster, reddish yellow, soft texture, high density and ductility. It is a rarer, more precious and more valuable metal. It is not only a special currency for reserve and investment, but also an important material for jewelry industry, electronics industry, modern communication, aerospace industry and other departments.
There are several grades of gold content.
Two grades, open gold and pure gold. Kincaid is an alloy of gold and other metals. Gold with a gold content of not less than 99% is called pure gold, and its color is dark yellow, commonly known as Erjiu. Deep yellow color, soft texture and high purity. Thousands of pure gold means that the gold content of gold jewelry is above 99.9%, because its highest gold content can reach 99.9%.
Introduction to gold
K-gold (or gold opening), the "K" of K-gold is a compilation of the foreign word "Karat", which is a complete representation: Karat gold (that is, K-gold), and "AU" or "G" is an international symbol used to express the purity (that is, gold content) of gold. K gold is generally divided into 9K, 14K, 18K, 22K, 24K and so on. Theoretically, 24K represents 100% pure gold, but in practice, more than 99.9% can be called 24K gold.
K gold has many colors, usually yellow, red and white. Among them, platinum is actually an alloy of gold with elements such as nickel, zinc and copper. Not just any platinum jewelry.
Pure gold, with a gold content of not less than 99%, is called pure gold, which is dark yellow and commonly known as two 9s.
Gold content of currency
24K contains 99% gold.
22K contains 9 1.7% gold.
18K contains 75. 1% gold.
14K contains 58.5% gold.
12K contains 50% gold.
9k contains 37.5% gold.
When buying gold ornaments, you should master certain distinguishing skills, such as hand weighing method and temperature method. However, you must get the permission of the merchant when doing any test to avoid unnecessary disputes in the future. It should be noted that many gold ornaments will add other metals in the production process, which may cause changes.
In addition to physical gold, many people usually buy gold futures online, but they should pay attention to risks in the process of buying and selling, and there is a great possibility of loss. Gold futures trading must open an account before it can be traded in the futures market. Gold futures trading adopts the margin system, and the margin is generally set at about 10% of the total gold trading.