1. To protect the luster of gold jewelry, you can apply a thin layer of nail polish on it
2. If there is a black silver film on the surface, use 2G of salt, 7g of baking soda, 8g of bleach powder and 60ml of water to prepare a gold cleaning agent. Put the gold jewelry in a bowl and pour the cleaning agent. After 2 hours, take out the gold jewelry, rinse it with water (preferably not hard water), bury it in wood chips and dry it, and then wipe it with a soft cloth
3. For the ring with gems, roll a piece of cotton with a popsicle or matchstick. After wetting it in the mixture of toilet water and glycerin, scrub the frame of the gems, and then polish the ring with a flannel cloth. Never scrape with sharp objects such as blades
4. Salt and vinegar are mixed into a cleaning agent, which can be used to wipe pure gold jewelry and make it fresh for a long time
5. The luster can also be restored by wiping with toothpaste or washing with hot concentrated rice soup
6. 70% nitric acid and 98% sulfuric acid can be used in a ratio of one to three. However, this pair is cleaned by chemical reaction and has a certain loss of gold.
Methods for cleaning gold jewelry:
1. To protect the luster of gold jewelry, you can apply a thin layer of nail polish on it
2. If there is a black silver film on the surface, use 2G of salt, 7g of baking soda, 8g of bleach powder and 60ml of water to prepare a gold cleaning agent. Put the gold jewelry in a bowl and pour the cleaning agent. After 2 hours, take out the gold jewelry, rinse it with water (preferably not hard water), bury it in wood chips and dry it, and then wipe it with a soft cloth
3. For the ring with gems, roll a piece of cotton with a popsicle or matchstick. After wetting it in the mixture of toilet water and glycerin, scrub the frame of the gems, and then polish the ring with a flannel cloth. Never scrape with sharp objects such as blades
4. Salt and vinegar are mixed into a cleaning agent, which can be used to wipe pure gold jewelry and make it fresh for a long time
5. The luster can also be restored by wiping with toothpaste or washing with hot concentrated rice soup
6. 70% nitric acid and 98% sulfuric acid can be used in a ratio of one to three. However, this pair is cleaned by chemical reaction and has a certain loss of gold.