Lao gold is gold with low gold content and high impurities. Due to the poor technology in the past, many impurities were mixed in gold, and the gloss was darker. It looked old, so it was called old gold. The minimum gold content of old gold is only 50 %, and the gold content of gold on the market is generally more than 99 %. In old gold, it will be faded when wearing it for a long time, because the impurities of the old gold are high and the casting process is poor. After a long period of time, the color loss will occur.
extension information gold jewelry maintenance method 1, gold is soft and easy to deform, so do not pull necklaces and other accessories to avoid Transformed. When you do n’t wear it for a long time, apply a velvet bag and put it in the jewelry box to avoid rubbing and damage to each other with other jewelry. 2, detergent, disinfectant and other chemicals will change the color of gold, so you should remove the gold jewelry before doing cleaning work and swimming to avoid chemical changes in the surface layer. 3, pure gold jewelry should avoid direct contact with cosmetics such as perfume and glue. When encountering mercury and lead cosmetics, chemical reactions will be generated, which will easily lead to white spots on the surface of the gold jewelry. 4. The gold jewelry after wearing is often lost due to the stains and dust stains. At this time, as long as the gold decoration is placed in the neutral detergent, soaked and cleaned with warm water.
Pay content for time limit to check for freenAnswer Lao Gin is a kind of gold with low gold content and high impurities. In the past, the purification technology of gold was not good, and many other metal substances, such as silver. The minimum gold content of old gold is only 50 %, and the gold content of gold on the market is generally more than 99 %. Due to the different materials, the price is a lot worse. The price of each gram of gold is more than 30 yuan lower than the price of normal gold. Although the gold content is not high,nHello, hope to help.
Lao gold is gold with low gold content and high impurities. Due to the poor technology in the past, many impurities were mixed in gold, and the gloss was darker. It looked old, so it was called old gold. The minimum gold content of old gold is only 50 %, and the gold content of gold on the market is generally more than 99 %.
In old gold, it will be faded when wearing it for a long time, because the impurities of the old gold are high and the casting process is poor. After a long period of time, the color loss will occur.
extension information
gold jewelry maintenance method
1, gold is soft and easy to deform, so do not pull necklaces and other accessories to avoid Transformed. When you do n’t wear it for a long time, apply a velvet bag and put it in the jewelry box to avoid rubbing and damage to each other with other jewelry.
2, detergent, disinfectant and other chemicals will change the color of gold, so you should remove the gold jewelry before doing cleaning work and swimming to avoid chemical changes in the surface layer.
3, pure gold jewelry should avoid direct contact with cosmetics such as perfume and glue. When encountering mercury and lead cosmetics, chemical reactions will be generated, which will easily lead to white spots on the surface of the gold jewelry.
4. The gold jewelry after wearing is often lost due to the stains and dust stains. At this time, as long as the gold decoration is placed in the neutral detergent, soaked and cleaned with warm water.
Pay content for time limit to check for freenAnswer Lao Gin is a kind of gold with low gold content and high impurities. In the past, the purification technology of gold was not good, and many other metal substances, such as silver. The minimum gold content of old gold is only 50 %, and the gold content of gold on the market is generally more than 99 %. Due to the different materials, the price is a lot worse. The price of each gram of gold is more than 30 yuan lower than the price of normal gold. Although the gold content is not high,nHello, hope to help.