bracelet. The steel print above is the old temple C999. I want to know that the previous letter C represents the content of gold? I want to know what this letter means?
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Foot gold refers to gold with a gold content of not less than 99%.
Gold is a relatively soft metal with strong ductility. Gold jewelry is usually divided into full gold, thousands of gold, and thousands of gold. Among them, the gold content of sufficient gold is not less than 99%, the gold content of thousands of gold is not less than 99.9%, and the content of 10,000 gold content is not less than 99.99%. The higher the gold content of gold, the soft the hardness. The gold jewelry made of gold is also more prone to deformation and wear. Once the loss occurs, it is not only difficult to repair This situation.
Extension information:
If in accordance with the "Regulations and Naming Methods of Purittering Pure Metals of Jewelry", the minimum purity of the purity of the foot gold is 990, that is, the purity is not less than 990 ‰; It is 999, that is, the purity is not less than 999 ‰. The regulations on the purity of gold in the national standard refer to the minimum purity value.
The higher the purity of the gold, the deeper the yellow. Gold with a purity of more than 95%shows red yellow, and the purity of 90%to 95%of gold is light red yellow, and the purity of 80%to 85%of gold is pale yellow. In between, slightly yellow and white golden purity may be less than 50%.
Reference information Source:
Baidu Encyclopedia-Footjin
In the golden temple gold, the letter C, G, etc. are printed, which refers to the production manufacturer code that can be traced back. The latter 999 indicates that thousands of gold refers to golden purity to thousands of points, or the purity is 99.9%.
Pay content for time limit to check for freenAnswer C foot gold means that the gold content produced by a manufacturer is not less than 99.6%of gold, which is the highest value in the naming of jewelry. Due to the high purity reasons, the color is red and yellow, and the texture is closer to the texture of human nails. In addition, the foot gold has good ductility, which can be stretched to a few meters and is easy to process. Theoretically, only gold with 100%purity can be called foot gold, but people are not perfect, and gold is the same. In reality, 100%gold cannot be in reality. Gold can be called foot gold. Because the gold content of foot gold is 99%, its mark marks are usually foot gold, 996, 996 gold, GOLD996, G996, etc. When wearing or using sufficient gold, try to avoid contact with hard objects to avoid reducing the texture of sufficient gold.
The letter C inside the bracelet is the internal mark of the manufacturer. 999 is the gold content.
The symbol of the merchant only expressed exquisite relatives for a long time, and now the purity is 99.9%