Yes, 5 9 are called Gao Chunjin, but now the gold is only 4 9, which is also called Wanjin. This gold refers to the gold products with a purity of 99.999%of the purity, which is called high -purity gold and marked as AU99999. Gao Chunjin is higher than the purity of AU9999, more red and pure. The most purity in the world reached 6 9, that is, 99.9999%, but it is generally used as reagent gold. Jewelry does not need to use high purity gold. Generally, sufficient gold and thousands of gold are used. High -pure gold is easier to deform and scratches. The difference: The difference of gold jewelry, the difference between the differences between thousands of gold, thousands of gold and foot gold, first recognize the quality inspection logo of gold jewelry. The gold jewelry sold in the market should be equipped with the inspection logo of the quality inspection institution, and the identification clearly indicates the gold content and weight of the jewelry. 1, 999.9 gold is called thousands of gold, and its gold content must not be less than 999.9 ‰; 2, 999 gold is also called thousands of gold, the gold content is not less than 999 ‰; Gold, gold content is not less than 990 ‰; 4, 22K gold's gold content is not less than 916 ‰; 5, 18K gold's gold content is not less than 750 ‰; 6, 14K gold The gold content is not less than 585 ‰; the gold content of 7, 9K gold is not less than 375 ‰. Gold (GOLD) is a single -quality form of chemical element gold (AU). It is a soft, golden, corrosive precious metal. Gold is one of the rare, precious and extremely valued metals. Internationally, gold is generally based on ounces. In ancient China, "two" was used as a gold unit, and it was a very important metal. It is not only a special currency for reserves and investment, but also an important material for the jewelry, electronics, modern communications, aerospace and air industry and other departments. The chemical symbols of gold are AU, and the English code in finance is XAU or GOLD. The name of the AU comes from a story of Aurora, a goddess of dawn in Roman mythology, means shining dawn. As of October 12, 2021, the price of gold was $ 1760/ounce.
No. 5 9 are gimmicks for the hype of the merchant. The current craftsmanship does not reach such a pure purity. The highest gold content recognized by the state is 4 9, that is, the gold content is 999.9 ‰ Yiduo jewelry answers.
Pay content for time limit to check for freenAnswer Hello, I have seen your question. I am sorting out the answer, please wait a while ~nHello, it is good. The five 9 are called Gao Chunjin, but now the gold is only 4 9, also called Wanjin. Gao Chunjin refers to the gold products with a purity of 99.999%of the gold products, which is called Gao Chunjin and marked as AU99999. Gao Chunjin is higher than the purity of AU9999, more red and pure. The world's highest purity gold reached 6 99.9999%, but it is generally used as reagent gold. Jewelry does not need to use high purity gold. Generally, sufficient gold and thousands of gold are used. High -pure gold is easier to deform and scratches.nIf you have answered your questions, please click on the evaluation to praise 5 little stars ~ [Happy] If you have an unconnected question, you can leave a message on this page for consultation, I hope you can help you ~ I wish you a happy life [Happy]n1 morenBleak
Yes, 5 9 are called Gao Chunjin, but now the gold is only 4 9, which is also called Wanjin.
This gold refers to the gold products with a purity of 99.999%of the purity, which is called high -purity gold and marked as AU99999. Gao Chunjin is higher than the purity of AU9999, more red and pure.
The most purity in the world reached 6 9, that is, 99.9999%, but it is generally used as reagent gold. Jewelry does not need to use high purity gold. Generally, sufficient gold and thousands of gold are used. High -pure gold is easier to deform and scratches.
The difference:
The difference of gold jewelry, the difference between the differences between thousands of gold, thousands of gold and foot gold, first recognize the quality inspection logo of gold jewelry. The gold jewelry sold in the market should be equipped with the inspection logo of the quality inspection institution, and the identification clearly indicates the gold content and weight of the jewelry.
1, 999.9 gold is called thousands of gold, and its gold content must not be less than 999.9 ‰;
2, 999 gold is also called thousands of gold, the gold content is not less than 999 ‰; Gold, gold content is not less than 990 ‰;
4, 22K gold's gold content is not less than 916 ‰;
5, 18K gold's gold content is not less than 750 ‰;
6, 14K gold The gold content is not less than 585 ‰; the gold content of
7, 9K gold is not less than 375 ‰.
Gold (GOLD) is a single -quality form of chemical element gold (AU). It is a soft, golden, corrosive precious metal. Gold is one of the rare, precious and extremely valued metals. Internationally, gold is generally based on ounces. In ancient China, "two" was used as a gold unit, and it was a very important metal. It is not only a special currency for reserves and investment, but also an important material for the jewelry, electronics, modern communications, aerospace and air industry and other departments.
The chemical symbols of gold are AU, and the English code in finance is XAU or GOLD. The name of the AU comes from a story of Aurora, a goddess of dawn in Roman mythology, means shining dawn.
As of October 12, 2021, the price of gold was $ 1760/ounce.
No. 5 9 are gimmicks for the hype of the merchant. The current craftsmanship does not reach such a pure purity. The highest gold content recognized by the state is 4 9, that is, the gold content is 999.9 ‰ Yiduo jewelry answers.
Pay content for time limit to check for freenAnswer Hello, I have seen your question. I am sorting out the answer, please wait a while ~nHello, it is good. The five 9 are called Gao Chunjin, but now the gold is only 4 9, also called Wanjin. Gao Chunjin refers to the gold products with a purity of 99.999%of the gold products, which is called Gao Chunjin and marked as AU99999. Gao Chunjin is higher than the purity of AU9999, more red and pure. The world's highest purity gold reached 6 99.9999%, but it is generally used as reagent gold. Jewelry does not need to use high purity gold. Generally, sufficient gold and thousands of gold are used. High -pure gold is easier to deform and scratches.nIf you have answered your questions, please click on the evaluation to praise 5 little stars ~ [Happy] If you have an unconnected question, you can leave a message on this page for consultation, I hope you can help you ~ I wish you a happy life [Happy]n1 morenBleak
No, it is at most 4 nine, and there are no four -nine gold in the Mainland!