After wearing silver jewelry for a long time, sulfur and silver combine to form a black silver sulfide film on the surface of silver jewelry, and these tiny spots begin to appear, and then spread to form what people usually call silver scales or silver molds.
2. Under normal physiological conditions, everyone will secrete different kinds of sweat, and these sweats contain certain acid and sulfur elements, which is the reason for the black surface of silver jewelry, which is also one of the reasons why some people wear silver jewelry for a long time.
Maintenance methods of silver ornaments:
1. Don't wear other precious metal jewelry when wearing silver jewelry to avoid collision, deformation or wear. Keep the silver ornaments dry, don't swim in them, and don't go near hot springs and seawater.
2. Wipe the surface gently with cotton cloth or paper towel after each wear to remove moisture and dirt, and then store it in a sealed bag to avoid contact with air.
3. The best way to maintain silver jewelry is to wear it every day, because human oil can produce natural and moist luster.
4, including the exquisite three-dimensional carving of silver ornaments, to avoid deliberate polishing.
5. If the silver ornaments show signs of yellowing, first clean the thin seams of the silver ornaments with a small jewelry brush, and then gently wipe the surface with a silver cloth to restore the original silvery white and brightness of the silver ornaments.
Baidu encyclopedia-silver ornaments (ornaments)