Electroplated silver jewelry: that is, the inner layer is pure silver, and the surface is treated with current; Electroplating makes its surface appear brighter than pure silver, with good reflective effect and is not easy to be oxidized (oxidation time depends on electroplating thickness). Electroless silver jewelry: easy to lose luster due to vulcanization. The sulfur dioxide in the air reacts with silver to form a layer of silver sulfide on the silver ornaments, which is the same as the apple will slowly turn black after being cut. ). It needs to be maintained with silver cloth to restore luster, or it can be washed with silver washing water. Many friends like sterling silver jewelry 1, and the best way to maintain silver jewelry is to wear it every day, because human oil can produce natural and moist luster. 2. Don't wear other precious metal jewelry when wearing silver jewelry to avoid collision, deformation or wear. Keep the silver ornaments dry, don't wear them to swim, and don't go near hot springs and seawater. When not in use, you can gently wipe the surface with cotton cloth or paper towel to remove moisture and dirt, and put it in a sealed bag or box to avoid contact with air. If the silver ornaments show signs of yellowing, the easiest way is to gently wash the surface with toothpaste and some water. Or use a small jewelry brush to clean up the fine seams of the silver ornaments, and then gently wipe the surface with a silver cloth, and the original aesthetic feeling of the ornaments can be restored immediately. (If the silver cloth can restore about 80% to 90% of silver, don't use silver lotion and silver washing water, because they are corrosive to some extent, and silver ornaments are more likely to turn yellow after using these products. In addition, silver cloth contains silver maintenance ingredients and cannot be washed with water. ) 5. The silverware is seriously yellow, so it should not be soaked in silver washing water for too long, usually a few seconds. Wash it with clean water immediately after taking it out, and then blot it with paper towels.